=7-10/2
=7- 5
= 2
A. 2
Hope this helps
Answer of this question is A(2)
What is perrow theory of light and darkness?
The realm of organizational analysis has always been divided between the forces of light and the forces of darkness, and the conflict has been drawn out and fruitless.
Who is Charles Perrow?
Famous sociologist Charles Perrow was born in the United States on February 9, 1925. Pisces is the zodiac sign, in accordance with astrologers. Many people are curious in Charles Perrow's race, ethnicity, and nationality. Charles Perrow's ethnicity is Unknown, according to Wikipedia & IMDb, two online public resources. One of the wealthiest and most well-known sociologists is Charles Perrow. Our study of Charles Perrow's net worth from sources like Wikipedia, Forbes, and Business Insider indicates that it is around $1.5 million. ranked among the most well-liked sociologists. Listed among the notable celebrities born in the US according to elit. Every year on February 9, Charles Perrow has a birthday party.
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A trombone acts as if it were an
open pipe of length 2.96 m. What
is the frequency of its fourth
harmonic?
(Speed of sound
343 m/s)
(Unit = Hz)
Answer:231.756757
Explanation:
(4)(343/2.96(2)= 231.756757
Answer:
The answer is 231.757 trust
Explanation:
star
A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 8.0 m from the takeoff point.
If the kangaroo leaves the ground at a 22˚ angle, what is its takeoff speed?
What is its horizontal speed?
The kangaroo's horizontal speed will be 9.7 m/s and its departure speed will indeed be 10.65 m/s.
What is the sound's velocity?By observing the pace at which this compressed region moves through the medium, we may determine the sound speed. The sound wave travels at a speed of around 343 meters per second in low humidity at 20 degrees Celsius.
Briefing:The following equation relates the distance to the direction and initial velocity:
d = [v₀²sin2θ]/g, where θ – the angle of the jump.
Thus, v₀² = gd / (sin2θ) = (9.8×8)/0.69 = 113.62
v₀ = 10.65 m/s ( the take off speed).
The horizontal velocity equals:
vₓ = v₀cos 22° = 10.65 m/s × 0.92 = 9.7 m/s
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how did barnett newman increase the capacity of color to communicate emotion?
Barnett Newman, an American abstract expressionist painter, increased the capacity of color to communicate emotion by using color in an abstract way. Newman is well-known for his "zip" paintings, which are large canvases divided by a vertical line of color. He argued that the viewer's experience of these paintings was not just visual but physical, invoking emotions like awe, transcendence, and mystery.
He believed that his use of color had the capacity to evoke a spiritual experience in viewers. In his work, he made extensive use of large fields of pure color, which he believed had the power to convey deep emotions and spiritual states. He aimed to create an almost mystical experience for the viewer by immersing them in the color and allowing them to feel its intensity and purity.
In conclusion, Barnett Newman increased the capacity of color to communicate emotion by using pure color fields in his abstract paintings, which evoked a sense of awe, transcendence, and mystery, which he believed had the capacity to create a spiritual experience for the viewer.
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what are food sorces of iron
Answer:
liver (but avoid this during pregnancy)
red meat.
beans, such as red kidney beans, edamame beans and chickpeas.
nuts.
dried fruit – such as dried apricots.
fortified breakfast cereals.
soy bean flour.
Explanation:
What is the ratio of mass A to mass B?
An object has positive acceleration when it is going faster than it was previously.
Which is object accelerating?An object has positive acceleration when it is going faster than it was previously.
According to the equation a = v/t, acceleration (a) is the product of the change in velocity (v) and the change in time (t). In terms of metres per second squared (m/s2), this enables you to calculate how quickly velocity varies.
In accordance with Newton's second law of motion, an object's acceleration is determined by its mass and the net force that is exerting on it.
The relationship between object acceleration and mass is inverse for constant force.
As a result, object A's and object B's accelerations are
Object B therefore has the greatest mass.
The least massive object is A.
mass A/mass B is a ratio that is,
\($\frac{m_A}{m_B}=\frac{a_B}{a_A}=\frac{3}{5}$\)
The complete question is:
A constant force applied to object A causes it to accelerate at 5 m/s2. The same force applied to object B causes an acceleration of 3 m/s2. Applied to object C, it causes an acceleration of 7 m/s2.
A. Which object has the largest mass?B. Which object has the smallest mass?C. What is the ratio of mass A to mass B?
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An object floats half submerged in water. By considering the forces acting on the object, show that the density of the object must be half the density of the water
When an object floats half submerged in water, the densities of the object and the water are related in such a way that the density of the object must be half the density of the water.
When an object floats in a fluid, it experiences two main forces: the buoyant force and the force due to gravity. The buoyant force exerted on the object is equal to the weight of the fluid displaced by the submerged portion of the object.
In this case, the object floats half submerged, which means that the weight of the water displaced is equal to the weight of the object.
Let's assume the density of the object is ρ_o and the density of the water is ρ_w.
The volume of the submerged portion of the object is equal to the weight of the object divided by the density of water,
which can be expressed as V = (m_o × g) ÷ ρ_w, where m_o is the mass of the object and g is the acceleration due to gravity.
Since the object is half submerged, the volume of the submerged portion is equal to half of the total volume of the object,
i.e., V = (0.5) × (m_o ÷ ρ_o). By equating the two expressions for volume, we can derive the relationship: (m_o × g) ÷ ρ_w = (0.5) × (m_o ÷ ρ_o).
Simplifying this equation, we find that ρ_o = (0.5) × ρ_w.
Hence, the density of the object must be half the density of the water for it to float half submerged.
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What is the receiving body of the force?
To answer this question, more context is needed, since force can be exerted by one object on another object. In this case, the body receiving the force would be the object that receives the force, that is, the object on which the force is being exerted. For example, if a person pushes a box, the receiving body of the force would be the box, since it is receiving the force exerted by the person.
Answer:
The question is not quite clear but the receiving body of a force will be the object on which the force is being exerted upon. Hope this helps.
. A chemistry student’s height is measured at 68.5 inches. How tall is the student in cm?
Answer:
173.99 centimeters
Explanation:
multiply the length value by 2.54
Answer:
A chemistry student’s height is measured at 68.5 inches. How tall is the student in cm?
Explanation:
(ii) Let R be a rotation and S be a reflection of the euclidean plane E. Give a precise deion of RS, relating it to the classification of isometries of E². Be careful of special cases.
RS is a composition of rotation and reflection in the Euclidean plane E². The precise description of RS depends on the specific properties of the rotation R and reflection S.
In general, if R and S have the same axis or line of symmetry, the composition RS results in a translation. If R and S have intersecting lines of symmetry, RS yields a glide reflection. If R and S have perpendicular lines of symmetry, RS produces a rotation.
It is important to consider special cases, such as parallel lines of symmetry, coinciding axes, or perpendicular lines of reflection, as they may lead to different outcomes. The classification of isometries in E² involves understanding how rotations and reflections combine to create different transformations in the plane.
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Capacitance is the measure of a capacitors ability to store an electrical charge.
a. true
b. false
True
Capacitance is the ability of a component or circuit to collect and store energy in the form of an electrical charge.
what is electric charge?Electric Charge is the property of subatomic particles that causes them to experience a force when put in an electric and magnetic field. Electric charges are of two sorts: Positive and Negative, commonly carried by charge carriers protons and electrons.
Electric charge is a scalar quantity. Apart from having a magnitude and direction, a quantity to be named a vector ought to too comply the laws of vector addition, such as triangle law of vector addition and parallelogram law of vector addition; as it were at that point the amount is said to be a vector quantity. When two currents meet at a intersection, within the case of an electric current, the resultant current of these will be an algebraic sum and not the vector whole. Subsequently, an electric current may be a scalar quantity, in spite of the fact that it has magnitude and direction.
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You are taking an image of a patient who is in extreme discomfort while participating in the CT scanning process. Which of the following qualities must you exhibit to obtain a clear and accurate image? O communication skills O interpersonal skills o detail oriented physical endurance
Answer:
Interpersonal skills
Explanation:
Answer:
The right answer is interpersonal skills
Explanation:
give the other person brainliest they deserve it
A period is a row and what is a group that is a column
Answer:
Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases as you move down a group or across a period. Beside above, what do columns mean in the periodic table? The periodic table also has a special name for its vertical columns.
Explanation:
A car has an initial velocity of 24 km/h, the car then accelerates at 2 m/s² for 6 seconds. Calculate the final velocity in km/h.
Answer:
final velocity in km/h= 67.2km/h
Explanation:
Data
initial velocity (u)= 24km/h
from 36km/h = 10m/s
then 24km/h= u
hence,
\(u= \frac{24}{36} \times 10\)
u= 20/3 m/s
Time= 6s
Acceleration= 2m/s²
\(v = u + at\)
\(v = \frac{20}{3} + 2(6)\)
\(v = \frac{20}{3} + 12\)
\(v = \frac{56}{3} \)
final velocity = 56/3 m/s
From 10m/s=36km/h
56/3 m/s = V
V(km/h)=
\( \frac{56}{3} \times \frac{36}{10} \)
V(km/h)=67.2km/h
A remote controlled toy car starts from rest and begins to accelerate in a straight line. The figure below represents "snapshots" of the car's position at equal 0.5 s time intervals. (Assume the positive direction is to the right. Indicate the direction with the sign of your answer.)
(a) What is the car's average velocity (in m/s) in the interval between t = 1.0 s to t = 1.5 s?
(b) Using data from t = 1.0 s to t = 2.0 s, what is the car's acceleration (in m/s2) at t = 1.5 s?
(c) Is the car's speed increasing or decreasing with time?
Answer:
Explanation:
is this marked??
(a). The car's average velocity between t = 1.0s to t = 1.5s will be - \(1\;m/s\)
(b). The car's acceleration at t = 1.5s will be - \(0.4\;m/s^{2}\)
(c). Car's speed is increasing with time.
We have a a remote controlled toy car that starts from rest and begins to accelerate in a straight line.
We have to determine -
The car's average velocity (in m/s) in the interval between -t = 1.0 s to t = 1.5 s.
The car's acceleration at t = 1.5 s.Determining whether car's speed increasing or decreasing with time.What is Acceleration?The rate of change of velocity with respect to time is called Acceleration. Mathematically -
\($a=\frac{dv}{dt}\)
According to the question, we have the following data for the Car -
t = 0s → x = 0m
t = 0.5s → x = 0.1m
t = 1.0s → x = 0.4m
t = 1.5s → x = 0.9m
t = 2.0s → x = 1.6m
PART - A
The car's average velocity between t = 1.0s to t = 1.5s will be -
\($v_{avg} = \frac{0.9-0.4}{1.5-1}= 1 m/s\)
PART - B
Velocity at t = 1.5 s will be -
\($v(1.5)=\frac{0.9}{1.5}= 0.6\;m/s\)
The car's acceleration at t = 1.5s will be -
\($a(1.5) = \frac{v}{t} = \frac{0.6}{1.5} = 0.4\;m/s^{2}\)
PART - C
Since, the acceleration of the car is positive, this means that the car is accelerating in the forward direction. Hence, its speed is increasing with time.
[ The following data was missing in your answer. The complete question would include this data also -
t = 0s → x = 0m
t = 0.5s → x = 0.1m
t = 1.0s → x = 0.4m
t = 1.5s → x = 0.9m
t = 2.0s → x = 1.6m ]
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An 190,000 W engine can accelerate from rest to a top speed in 9 s. How much work did the engine do?
if one of the satellites is at a distance of 20,000 km from you, what percent uncertainty in the distance does a 3 m uncertainty represent?
A 3 m uncertainty represents a percent uncertainty of 0.0015% in the distance.
To calculate the percent uncertainty in the distance, we can use the formula:
Percent uncertainty = (Uncertainty / Measurement) * 100
Given:
Uncertainty = 3 m
Measurement = 20,000 km
To calculate the percent uncertainty, we need to convert the measurements to the same unit. Let's convert 20,000 km to meters:
20,000 km = 20,000,000 m
Now we can calculate the percent uncertainty:
Percent uncertainty = (3 m / 20,000,000 m) * 100
Simplifying:
Percent uncertainty = 0.000015 * 100
Percent uncertainty = 0.0015%
Therefore, a 3 m uncertainty represents a percent uncertainty of 0.0015% in the distance.
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Which statement is true of both coal-fired power plants and solar thermal power plants?
A Both coal and solar thermal plants utilize renewable resources.
B Both coal and solar thermal plants convert the same percentage of initial energy into electricity .
C Both coal and solar thermal plants use a heat source to create steam
D Both coal and solar thermal plants create greenhouse gases
Answer:
Option C is the correct statement.
Explanation:
Both coal-fired power plants and solar thermal power plants use a heat source to create steam, which then drives a turbine to generate electricity. In a coal-fired power plant, the heat is generated by burning coal to produce steam. In a solar thermal power plant, mirrors or lenses are used to concentrate sunlight onto a fluid, which is then heated to produce steam.
Option A is incorrect because coal is a non-renewable resource, while solar thermal power plants utilize renewable solar energy. Option B is incorrect because the conversion efficiency of coal-fired power plants is typically much lower than that of solar thermal power plants. Option D is partially correct, as coal-fired power plants are a major source of greenhouse gas emissions, while solar thermal power plants do not emit greenhouse gases during operation.
sound travels faster through cold, denser air than through warm, less dense air.
True or False
False
Sound actually travels faster through warm, less dense air compared to cold, denser air. In general, sound waves propagate faster in mediums with higher temperatures because the molecules in warmer air are more energetic and have higher velocities.
This increased molecular motion allows sound waves to travel more quickly. Conversely, in colder air, the slower molecular motion results in a slower speed of sound propagation.
Certainly! The speed of sound is influenced by the properties of the medium through which it travels, such as temperature, density, and elasticity. When it comes to air, temperature has a significant impact on the speed of sound.
In warmer air, the molecules have higher kinetic energy, which means they move more quickly and collide with each other more frequently. This increased molecular motion results in a faster speed of sound propagation.
The higher temperature leads to increased molecular velocities, allowing sound waves to travel faster.
On the other hand, in colder air, the molecules have lower kinetic energy, resulting in slower molecular motion and fewer collisions. The reduced molecular velocity in colder air leads to a slower speed of sound propagation.
Density also plays a role in the speed of sound, but its effect is secondary to temperature. In general, sound travels faster in less dense mediums. Cold air tends to be denser than warm air due to the increased molecular packing caused by lower temperatures.
However, the impact of density on sound speed is relatively small compared to the influence of temperature.
Sound actually travels faster through warm, less dense air because the higher temperature results in greater molecular velocities, promoting faster sound wave propagation.
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Which of the following would be most helpful in evaluating the extent to which human activity is responsible for recent changes in the atmosphere?
OPTIONS
Data on the effects of atmospheric changes on non-human organisms
Historical data on atmospheric conditions prior to humans
Data on the conditions on planets similar to Earth that lack an atmosphere
Projected data for future atmospheric conditions at current rates of change
Human activity is responsible for recent changes in the atmosphere i.e. the last option , projected data for future atmospheric conditions at current rates of change.
The term "atmosphere" refers to a layer (or layers) of gases that surround a planet and are kept in place by the gravity of the planetary body. A planet maintains its atmosphere when the gravity is high and the temperature of the atmosphere is low.The troposphere, stratosphere, mesosphere, and thermosphere are the four layers that make up the Earth's atmosphere, and they are differentiated by temperature.Therefore we can said that, The last option from the question projected data for future atmospheric conditions at current rates of change, states that human activity is to responsible for recent changes in the atmosphere.
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what height does a frictionless playground slide need so that a 35 kg child reaches the bottom at a speed of 6.3 m/s ?
The height of the frictionless playground slide is 2.155 meters
What is kinetic and potential energy ?An object possesses kinetic energy when it is in motion. A force needs to be applied if we want to accelerate an object. We must use effort to apply a force. The object will be moving at a new constant speed once the operation is finished and energy has been transferred to it.
Potential energy is a form of stored energy that is dependent on the arrangement of a system's components. When stretched or squeezed, a spring has higher potential energy. When lifted above the ground, a steel ball has more potential energy than when it is brought to rest on the ground.
Kinetic energy = Potential energy
K. E = 0.5m v² ; P.E = mgh
0.5mv² = mgh
Dividing both sides by m, we get ;
gh = 0.5v²
h = [(0.5v²) ÷ g]
h = (0.5 × 6.5²) ÷ 9.8
height = 2.155 m
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The majority of animals are ______________ and rely on heat exchange with the environment for regulation of body temperature.
The majority of the animals are ectotherms which means they rely on the heat exchange with the environment for the regulation of their body temperature.
Ectotherms are so-called cold-blooded animals, that is, animals that rely on external sources such as sunlight or heated rock surfaces to regulate their body temperature. Ectotherms include fish, amphibians, reptiles, and invertebrates. The body temperature of aquatic ectotherms is usually very close to the temperature of the surrounding water. Ectotherms do not require as much food as warm-blooded (endothermic) animals of the same size, but they can be more sensitive to temperature fluctuations.
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during play of a hole, player a accidentally hits player b's ball and as a result, player b hits player a's ball. what is the ruling?
In golf, when Player A accidentally hits Player B's ball and as a result, Player B hits Player A's ball, the ruling depends on whether the players' balls were at rest or in motion before the accidental collision occurred.
Let's consider both scenarios:
1. If the balls were at rest: If both Player A's and Player B's balls were at rest before the accidental collision, Rule 9.6 in the Rules of Golf applies. According to this rule, when a player's ball at rest is moved by another ball in motion after a stroke, the player must replace their ball to its original position without penalty. Both players would need to return their balls to their original positions before continuing play.
2. If the balls were in motion: If either Player A's or Player B's ball was in motion before the accidental collision occurred, Rule 11.1 in the Rules of Golf applies. This rule addresses the situation when a player's ball in motion is accidentally deflected or stopped by another ball. In this case, the players generally play their balls as they lie. However, if there was a deliberate action or agreement between the players to purposely cause the balls to collide, it could be considered a breach of Rule 1.3a (2), which prohibits actions that deliberately interfere with the play of another player. The players would need to discuss the situation, and penalties could be assessed if necessary.
It is important for the players involved to communicate and come to an agreement on how to proceed, and if necessary, they can consult with a rules official or refer to the specific Rules of Golf for further guidance.
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What is the relationship between the temperature of a star and its luminosity?
according to dr. hayne, which spacecraft mission was the first to explore the planets in the outer solar system
According to Dr. Hayne, the spacecraft mission that was the first to explore the planets in the outer solar system is Mariner 9.
On May 30, 1971, Mariner 9 lifted off from Cape Canaveral, Florida. A little over five months later, it entered orbit around Mars, thereby becoming the first spacecraft ever to orbit a planet other than our own Earth. During the initial stages of planetary exploration, it was customary for both these superpowers to launch pairs of spacecraft. The idea behind such an implementation was to ensure that one served as the backup for the other even if one of them failed in their objective completely. In 1965, the U.S. enjoyed its first success with respect to Mars as Mariner 4 flew by Mars, capturing the first close-up images of the planet. Considering this success came hot on the heels of its twin Mariner 3’s failure, the idea of launching in pairs seemed a good one. By 1969, NASA had furthered its accomplishments as Mariners 6 and 7 flew over Mars days within each other, with Mariner 7 even capturing an image of Phobos, one of Mars’s two natural satellites.
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Group the words or phrases from the word bank according to the type of wave they describe: Waves on the surface of a pond, sound waves, or both. Hint: Use each description in the word bank only once.
The correct word matching of the given waves are:
Water Surface Ripples
Mechanical waveTransverse waveRequires a mediumParticles move at right anglesSound Waves
Mechanical waveParticles move back and forthLongitudinal waveCompressional waveRequires a mediumWhat are longitudinal and transverse waves?Longitudinal waves are waves that the direction of the vibration of the wave is in the same direction of the travel of the particles of the medium.
Example of longitudinal waves are sound waves.
Transverse waves are waves that the direction of the vibration of the wave is perpendicular to the direction of the travel of the particles of the medium.
Example of transverse waves are water waves.
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A box has a mass 45kg is pushed to the right with a force of 270 newtons. What will the acceleration be? ( Please help)
Answer:
6m.s‐²
Explanation:
IF there is no friction or any other force acting on the objects then use the equation Fnet=m.a
Fnet=m.a
270=45(a)
a=6
results will change if there is another force acting on the box besides the pushing force
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a 1-kg chunk of putty moving at 1 m/s collides with and sticks to a 5-kg bowling ball that is initially at rest on a frictionless surface. the speed of the putty thereafter is
Answer
0.16666667m/s (~0.17 m/s) is the speed of putty after colliding with a bowling ball.
Explanation:
The speed of the putty after it collides with the bowling ball can be found using the law of conservation of momentum and the concept of inelastic collisions. The law of conservation of momentum states that the total momentum of a system before a collision is equal to the total momentum of the system after the collision.
Inelastic collisions are collisions where the objects stick together and move as one after the collision. In this case, the initial momentum of the system is given by: momentum before collision = mass of putty × velocity of putty + mass of bowling ball × velocity of bowling ball= 1 kg × 1 m/s + 5 kg × 0 m/s= 1 kg m/s.
The final momentum of the system after the collision is also equal to 1 kg m/s, as there is no external force acting on the system. Since the putty sticks to the bowling ball, they move together as one object after the collision. Let's say their combined speed is v.
The final momentum of the system can be expressed as the mass of the combined object (putty + bowling ball) multiplied by the speed: v × (1 kg + 5 kg) = 1 kg m/s
v = 1/6 m/s.
Therefore, the speed of the putty after it collides with the bowling ball and sticks to it is 1/6 m/s.
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An oil tank has a base area of 2.5 square metres and is filled with oil to a depth of 1.2m. the density of oil is 800kg per cubic metre. calculate the mass in kilograms of oil contained in the tank
The mass of oil contained in the tank is 2400 kilograms.
To calculate the mass of oil contained in the tank, we need to determine the volume of oil first. The volume of the oil can be calculated using the formula:
Volume = Base Area × Height
Given:
Base Area = 2.5 square meters
Height = 1.2 meters
Volume = 2.5 m² × 1.2 m
Volume = 3 cubic meters
Next, we can calculate the mass of the oil using the formula:
Mass = Density × Volume
Given:
Density of oil = 800 kg/m³
Volume = 3 cubic meters
Mass = 800 kg/m³ × 3 m³
Mass = 2400 kilograms
Therefore, the mass of oil contained in the tank is 2400 kilograms.
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A fuel-filled rocket is at rest. It burns its fuel and expels hot gas. The gas has a momentum of 1,500 kg m/s backward. What is the momentum of the rocket?
A fuel-filled rocket is at rest. It burns its fuel and expels hot gas. The gas has a momentum of 1,500 kg m/s backward. So, The momentum of the rocket is -1500 kg m/s.
According to the law of conservation of momentum, in a closed system, the total momentum before and after a process remains constant.
A fuel-filled rocket that is initially at rest expels hot gas as it burns its fuel. The gas has a momentum of 1500 kg m/s backward.
We are required to determine the momentum of the rocket.
Consider the fuel-filled rocket as a system.
We have: Momentum before the burn = 0 kg m/s (since the rocket was at rest initially)Momentum after the burn = momentum of the expelled gas
We can therefore say that the initial momentum of the system was zero (0), and after the burn, the total momentum of the system remains the same as the momentum of the expelled gas.
Therefore: Momentum of rocket = - momentum of expelled gas
The negative sign signifies that the rocket's momentum is in the opposite direction of the expelled gas.
Hence, the momentum of the rocket is -1500 kg m/s.
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