The NASA Space Launch System rocket that will carry the Artemis mission to the Moon travels 500 feet (152 m) straight up in the first 7 seconds of flight. It weighs 5.75 million pounds (mass of 2.61e6 kg).In this problem, we'll calculate the total force the rockets are providing. The numbers will be randomized slightly. Since the rocket is using fuel, the question is an approximation anyway.What is the weight of the rocket, if its mass is 2.46E+6 kg? Assume g = 9.8 m/s2.At launch, the rocket travels upwards at an acceleration of 5.51 m/s2. This tells us that it must be acted on by a net force of 1.36E+7 N. If that is the net upward force, what is the total upward force provided by the engines?

To calculate the recombination frequency, we need to determine the number of recombinant progeny (ab/ab) divided by the total number of progeny. Therefore, the recombination frequency in this case is 100%.

Given:

Number of progeny with ab/ab genotype = 72 + 68 + 17 + 21 = 178

Total number of progeny = 72 + 68 + 17 + 21 = 178

Recombination frequency = (Number of recombinant progeny / Total number of progeny) × 100%

Recombination frequency = (178 / 178) × 100%

Recombination frequency = 100%

Therefore, the recombination frequency in this case is 100%.

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Answer:

D = 4.05 km

Explanation:

In this case, it's really neccesary to analyze the given data.

First, the rider goes 10 km SE 15°. Then 11 km 30° to the NE direction. Then, he dispatch the order, and then, takes a shorcut to get back at 22 km heading W (This is the missing data of your exercise).

According to all these data, we have the magnitude of the displacement in each part of the travel, but to know the displacement we need to know the x and y components of these magnitudes, so we can really know the total displacement of the rider.

Let's cut this by parts. Part A would be the 10 km SE, Part B 11 km 30° NE and finally Part C would be the remaining 22 km

Part A:

in this case, is heading south east, so it's going in the x-axis positive but y-axis negative so:

Dxa = 10 cos15° = 9.659 km

Dya = 10 sin15° = 2.588 km (But as we are heading south is negative) = -2.588 km

Part B:

Heading NE, it's positive in the x-axis and y-axis so:

Dxb = 11 cos30° = 9.526 km

Dyb = 11 sin30° = 5.5 km

Part C:

Finally in this part is heading west, which means is heading in the x-axis negative, and it does not have a y component so:

Dxc = Dc = -22 km

Now that we have the displacement for each part and it's components, let's calculate the displacement in X and Y:

Dx = 9.659 + 9.526 - 22 = -2.815 km

Dy = -2.588 + 5.5 = 2.912 km

To calculate the magnitude of the displacement:

D = √Dx² + Dy²

D = √(-2.815)² + (2.912)²

Hope this helps

The effect humidity has on the heat index: Higher humidity increases the perceived heat index.

The heat index, also known as the "apparent temperature," is a measure of how hot it feels to the human body when both temperature and humidity are taken into account. Humidity plays a significant role in the heat index calculation because it affects the body's ability to cool itself through evaporation.

When humidity levels are high, the air is already saturated with moisture, making it difficult for sweat to evaporate from the skin. Evaporation is an essential cooling mechanism for the body as it removes heat from the surface, providing a cooling effect. However, when the air is already humid, sweat cannot evaporate as effectively, leading to a decrease in the body's ability to cool down.

As a result, higher humidity levels make the heat index feel higher than the actual air temperature. In other words, the combination of temperature and humidity creates a perceived temperature that is higher than what a dry-heat thermometer would indicate. Therefore, higher humidity levels can intensify the sensation of heat and make the environment feel more uncomfortable and oppressive.

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Answer:

James Prescott Joule

James Prescott Joule, (born December 24, 1818, Salford, Lancashire [now in Greater Manchester], England—died October 11, 1889, Sale, Cheshire), English physicist who established that the various forms of energy—mechanical, electrical, and heat—are basically the same and can be changed one into another.James Prescott Joule experimented with engines, electricity and heat throughout his life. Joule's findings resulted in his development of the mechanical theory of heat and Joule's law, which quantitatively describes the rate at which heat energy is produced from electric energy by the resistance in a circuit.

When is the average velocity of an object equal to the instantaneous velocity is C. This is the case only when the velocity is constant.

The instantaneous velocity of an object is equal to the average velocity of an object when the velocity is constant or when the acceleration is zero, this is the case only when the velocity is constant. When an object has a constant velocity, the instantaneous velocity of the object is equivalent to the average velocity of the object. This is true because the velocity of the object remains constant over time.

For example, if an object travels at a speed of 20 meters per second for a time period of 5 seconds, then the instantaneous velocity at the end of the 5 seconds is 20 meters per second, and the average velocity of the object over the 5 seconds is also 20 meters per second. This is because the velocity remained constant throughout the entire time period. Therefore, option c is correct, this is the case only when the velocity is constant.

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Time required to 200 meter long train to pass through a 160 meter tunnel at a speed of 18 meters per second is 11.1s.

Given, length of train 200 meter

Length of tunnel is 160 meter

Speed = 18 m/s

Formula of Speed = distance/ time

Time = Distance/speed

Time = 200/ 18

Time = 11.1 s.

Hence, time required to 200 meter long train to pass through a 160 meter tunnel at a speed of 18 meters per second is 11.1s.

Speed is the time rate at which an object is moving along a direction, whilst velocity is the rate and direction of an item's motion. Put every other manner, speed is a scalar value, while velocity is a vector.

The Italian physicist Galileo Galilei is credited with being the first to measure pace by way of thinking about the distance covered and the time it takes. Galileo defined pace as the distance covered per unit of time.

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Answer:

Is this science you are talking about

Explanation:

Field strength is 0.03234 N/kg. The formula to determine the field strength is given by:

F = mg Here, F is the field strength, m is the mass, and g is the gravitational field strength.

Substituting the values given: Weight = 0.96 N Mass = 3.3 g = 0.0033 kg = 9.8 m/s² Therefore, F = mg = 0.0033 kg × 9.8 m/s² = 0.03234 N the field strength is the gravitational force acting on a unit mass. It is measured in newtons per kilogram. The field strength is an expression of the strength of a gravitational field. In this case, the mass of the object is 3.3 g, which can be converted to kilograms by dividing by 1000.

The weight of the object is given as 0.96 N. Using the formula

F=mg, where m is the mass and g is the gravitational field strength, we can calculate the field strength as 0.03234 N/kg.

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Answer:

During the experiment, alpha particles bombarded a thin piece of gold foil. The alpha particles were expected to pass easily through the gold foil. ... The discovery of the nucleus was a result of Rutherford's observation that a small percentage of the positively charged particles bombarding the metal's surface...

Explanation:

jayfeather friend me

Rutherford's model of atoms describes the atom as a tiny, dense particle which contains a positively charged nucleus with electrons which are negative charged moving in orbitals.

Rutherford's model of atoms described the atom as a tiny, dense, positively charged core particle which is called a nucleus, in which nearly all the mass of the atom is concentrated, around within the nucleus which the light, negative constituents, called electrons, circulate at some specific distance, much like the planets which are revolving around the Sun.

During the Rutherford's experiment, the alpha particles are bombarded on the thin piece of gold foil. The alpha particles were expected to pass easily through this gold foil. The discovery of the nucleus of atom was a result of the Rutherford's observation in which a small percentage of the positively charged particles that is protons bombarding on the metal's surface.

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Answer:

The correct answer is H ÷ ¹/₂T

Explanation:

The formula for velocity is distance covered ÷ time.

Neglecting air resistance;

If the ball's time of overall time flight is T, the time it will take for the second half/return trip is ¹/₂T.

If the ball's maximum height above its released point is H, the height will also be the distance it covered for the second part of the trip since the student caught the ball in the exact same place the ball was thrown. Hence, the distance for the second half of the trip will be H.

Since velocity = distance/time

The average velocity during the second half of the trip will be = H ÷ ¹/₂T

Answer:

0.018 cm

Explanation:

The increase in length can be calculated using the formula:

ΔL = α * L * ΔT

where ΔL is the increase in length, α is the linear expansivity of iron, L is the original length of the rod, and ΔT is the change in temperature.

Plugging in the values, we get:

ΔL = 1.2 x 10^-5 * 30 * 50

ΔL = 0.018 cm

So, the iron rod increases in length by 0.018 cm when heated through 50 Kelvin.

The average drift velocity of the electrons is  is approximately 6.25 x 10^6 m/s.

To find find the average drift velocity of the electrons, we have to make use of the drift velocity formula. The drift velocity formula is used to relate the average drift velocity of charge carriers in a conductor to the applied electric field. It is used to understand the motion of electrons when an electric current is flowing.

The drift velocity formula is:

\(I = nAvq\)

Where:

I is the current (in Amperes),

n is the density of charge carriers,

A is the cross-sectional area of the wire,

v is the average drift velocity of electrons,

q is the charge of an electron.

In this case, we have been given current as 10A, cross-sectional area of the wire is 1mm². The density of charge carriers in the wire is 1027/m³. So, by substituting all the given identities in the equation and rearranging the equation to find out "v", we get:

\(v = I / (nAq)\)

\(v = (10 A) / ((10^{27} /m^{3} ) * (1 * 10^{-6} m^{2}) * (1.6 * 10^{-19} C))\)

\(v = (10 A) / (1.6 * 10^{-12} A * m^{2} * C * 10^{27} /m^{3} )\)

\(v = 6.25 * 10^{6} m/s\)

Therefore, the average drift velocity of electrons in the wire is approximately 6.25 x 10^6 m/s.

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Answer:

Average drift velocity of the electrons is Approx. 6.25*10^6 m/s.

Given, Current= 10A

Cross sectional area = 1mm^2

Density of charge= 1027/m^3

Formula to find velocity= I/(nAq)

= 10/(1027*1*10^-6*1.6*10^-19)

=6.25*10^6m/s

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Answer:bight

Explanation:

(A) The image you see of yourself in the shiny tablespoon is inverted.

(B) The image you see of yourself in the shiny tablespoon is reduced.

(C) The image you see of yourself in the shiny tablespoon is virtual.

A) When you look at the front side of the spoon, the light rays reflecting off your face or any other object get reflected by the curved surface of the spoon. This reflection follows the laws of reflection, resulting in an inverted image. Therefore, the image you see of yourself in the spoon is inverted.

B)  In this case, the shiny tablespoon acts as a concave mirror. Concave mirrors can produce reduced images depending on the position of the object relative to the mirror's focal point. When the object is held at arm's length, the image formed in the spoon is smaller in size compared to the actual object. Hence, the image you see of yourself in the spoon is reduced.

C) A virtual image is formed when the light rays do not physically converge at the location of the image. In the case of a spoon, the reflected rays from the curved surface do not intersect to form a real image that can be projected onto a screen. Instead, your eyes perceive the apparent image formed by the reflected rays, which is known as a virtual image. Therefore, the image you see of yourself in the spoon is virtual.

Option (A) inverted, (B) reduced, and (C) virtual are the correct answers.

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The cross-sectional area decreases, so the resistance per unit length,  increases

The limitation of current flow in an electrical circuit is measured in terms of resistance. The ohm, or the Greek letter omega, stands for the unit of measurement for resistance.

According to the given information

We know that

Resistance of the wire is directly proportional to length of the wire and inversely proportional to the area of the wire

So,

R ∝ \(\frac{L}{A}\)

Proportionality constant ρ = resistivity constant

R = ρ\(\frac{L}{A}\)

So If the cross sectional area decreases , Resistance per unit length increases

The heat required to heat 3 mol of \(O_2(g)\) at a constant pressure of 3.25 atm from 260 K to 285 K is 2205 J.

The question asks us to calculate the heat (q) required to heat 3 mol of \(O_2(g)\) at a constant pressure of 3.25 atm from 260 K to 285 K, given that the molar heat capacity of \(O_2\) is \(29.4 J mol^-1 K^-1.\)

To calculate q, we can use the equation:

\(q = n × C_p × ΔT\)

where n is the number of moles, \(C_p\) is the molar heat capacity at constant pressure, and \(ΔT\) is the change in temperature.

Plugging in the given values, we get:

\(q = (3 mol) × (29.4 J mol^-1 K^-1) × (285 K - 260 K)\)
\(q = 88.2 J K^-1 × 25 K\)
\(q = 2205 J\)

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184.7 revolutions before reaching rest

Knowing that each revolution has a 2° angle and that each minute contains 60 seconds, convert revolutions per minute to angular speed (rad/s).

640 revolutions per minute equal 640 (rev/min) * 2 (rad/rev) * (1/60) (min/sec) = 67.04 rad/s.

The angle the flywheel sweeps during the deceleration of =xrevmin2radrev can be calculated using the motion equation below.

Once more, we may convert this to 184.7 rev by multiplying the number of revolutions by (1/2) (rev/rad).

The definition of angular speed is the rate at which the angular displacement changes. = t. where. t is the time, and is the angular displacement.

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The slowing force of friction due to ice on the given sled on the ice is determined as 40 N.

The slowing force of friction due to ice can be determined by using Newton's second law of motion as follows;

F = ma

where;

F = 100 x 0.4

F = 40 N

Thus, the slowing force of friction due to ice on the given sled on the ice is determined as 40 N.

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Rounding to the nearest mile, the estimated distance you can travel is approximately 198 miles.

To estimate the distance you can travel in 4 hours and 50 minutes at an average speed of 41 miles per hour, we need to convert the time to hours.

4 hours and 50 minutes is equivalent to 4.83 hours (since 50 minutes is 50÷60 = 0.83 hours).

Now, we can calculate the distance traveled using the formula: distance = speed × time.

Distance = 41 miles/hour × 4.83 hours

Distance ≈ 198.03 miles

Rounding to the nearest mile, the estimated distance you can travel is approximately 198 miles.

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Answer:

Explanation:

The work done by an object can be found by using the formula

From the question

force = 1,000 N

distance = 20 m

We have

workdone = 1000 × 20

We have the final answer as

Hope this helps you

Answer:

No

Explanation:

Some our led some our more on the yellow side

Answer

All Bulbs DO NOT have the same brightness.

Explanation:

Since each bulb has different resistance, it glows with different brightness. If current passes through it according to each bulb's requirement,then the bulbs will glow by using their maximum power and will glow with different brightness.

When discussing Newton's laws of motion, people most likely use the terms "action" and "reaction" when talking about Newton's third law of motion.

Newton's third law of motion states that for every action, there is an equal and opposite reaction. This means that whenever one object exerts a force on another object, the second object exerts an equal and opposite force back on the first object.

In other words, if object A pushes or pulls on object B with a certain force, then object B will push or pull back on object A with an equal and opposite force. This law applies to all types of forces, whether they are contact forces or non-contact forces, such as gravitational or electromagnetic forces.

This law is important in understanding how forces work in the physical world. It helps explain why things don't just keep accelerating indefinitely when a force is applied, and why forces always come in pairs. It also plays a crucial role in understanding the behavior of systems like rockets, airplanes, and cars.

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(1.) The Phenomena of Refraction Occurs when a Ray (Here Light) enters a Relatively Denser or Rarer Medium and Due to the Change in Density, the Speed of the Incident Ray Decreases or Increases Respectively.

(2.) If a light ray projected through a diamond, the light would refract drastically.

Answer:

All four words are the name of elements.

Hydrogen, oxygen, carbon, nitrogen, calcium, and iron are all important substances found in the body and in environments. They can be combined with each other, and with other substances to form larger compounds.

But i think the answer is nucleic acids..

Explanation:

Well, hope it helps you..

I tried to answer it..

Your welcome in advance..

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Answer:

Option(a) i.e" pH" is the correct answer to the given question .

Explanation:

The main objective of pH value is to determining whether the solution is the acidic or the basic solution.The pH is determining the solution whether it is basic or acidic with the help of there pH value .The range of the pH value is from 0 to 14 with the following parameter it determines whether the solution is basic ,acidic or the neutral solution  .

All the other option are not determining that whether the solution is acidic or the basic solution that's why these are incorrect option .

Answer:

the answer is A pH

got it right 2020

Explanation:

Answer:

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

\(volume = \frac{mass}{density} \\\)

From the question

mass = 24 g

density = 1.2 g/mL

We have

\(volume = \frac{24}{1.2} \\ \)

We have the final answer as

Hope this helps you

Answer:

1.3 Pa

Explanation:

from general gas equation

p1v1/TO =P2V2/T2