Determine the necessary speed, with respect to Earth, for a rocket to escape if fired from various locations on Earth. Take into account the Earth's rotational speed (1 rev/day) and use 5 significant figures. (The escape velocity from the surface of the Earth is 11.182 km/s. The radius of the Earth is 6,380 km.) (a) Determine the necessary speed, with respect to Earth, for a rocket to escape if fired from the Earth at the equator in a direction eastward _____ km/s (b) Determine the necessary speed, with respect to Earth, for a rocket to escape if fired in a westward direction at the equator. _____ km/s (c) Determine the necessary speed, with respect to Earth, for a rocket to escape if fired in a westward direction at 25° north latitude. ______ km/s (d) Determine the necessary speed, with respect to Earth, for a rocket to escape if fired from the Earth at the equator vertically upward. ____km/s

The mass of the cube is found to be to 218.7 grams with a density of 8.1g/cm³.

The density of any substance is calculated by dividing the mass of the substance by the volume of that substance.

Hayat is given that there is a cube which is 3 cm from each side and the density of the cube is given to be 8.1g/cm³.

Calculating the volume of the cube by using the formula,

V = a³

a is the side of the cube,

V = 3³

V = 27cm³.

Now, for finding the mass,

Density = mass/volume

Mass = density x volume

Putting values,

Mass of the cube = 8.1 x 27

Mass of the cube = 218.7 grams.

So, the mass of the cube is found to be 218.7 grams.

To know more about density, visit,

https://brainly.com/question/1354972

#SPJ4

Answer:

34800N

Explanation:

weight = mass × gravitational field strength

w=mg

w= 3480×10. (Gravitational field strength is constant at the value of 10)

w=34800N

Answer:

MIRROR

Explanation:

Answer:

reflection of light is the bouncing back of light rats when it falls on a smooth surface or polish surface.

The electrical device that is used to convert the voltage of the alternating current is called a transformer. It is a type of electrical device that transfers electrical energy from one circuit to another, usually with a change in voltage. It is widely used in power distribution systems to step up or step down the voltage of the alternating current.

A transformer works on the principle of electromagnetic induction. It consists of two coils of wire, called the primary coil and the secondary coil, wound around a common iron core. When an alternating current flows through the primary coil, it creates a magnetic field that induces a voltage in the secondary coil. The voltage induced in the secondary coil is proportional to the ratio of the number of turns in the primary and secondary coils.

Transformers are used to increase the voltage of the alternating current for long-distance transmission to reduce energy losses and decrease the size of conductors. They are also used to decrease the voltage of the alternating current for use in households and appliances. Transformers come in various sizes and types, ranging from small plug-in transformers to large power transformers used in substations.

to know more about alternating current. click this link

brainly.com/question/31609186

#SPJ11

In a frequency distribution, the number of observations in a class is called the : Class frequency

The word frequency refers to the no. of times an observation occurs.

Frequency distribution : A graph or data set organized to show the frequency occurred of each possible outcome of events .

for example : Electron returns and test scores listed in percentile.

A frequency distribution can be graphed as a pie chart or histogram.

To know more about the frequency distribution:

https://brainly.com/question/27915911

#SPJ4

Patriarchy, which describes the oppression and marginalization that women face in communities where men hold the majority of the authority, is a term used to describe most modern societies.

Beyond purely economic, legal, or political means, there are numerous more ways that this dominance of men is perpetuated, including through language, stereotypes, religions, culture, traditions, and the media.

As patriarchy existed before capitalism and has continued to do so, they must be separate from one another. Defenders of this theory tend to investigate women's oppression separately and employ the same technique as studies of class oppression, despite the fact that they occasionally impact and benefit from one another.

To learn more about patriarchy, click:

https://brainly.com/question/29545692

#SPJ1

Answer:

Scalar quantities are defined by a magnitude with no applicable direction. In contrast, vector quantities must have both magnitude and direction of action. Some common scalar quantities are distance, speed, mass, and time. Some common vector quantities are force, velocity, displacement, and acceleration.

Explanation:

❤❤❤❤❤

When looking over an inclined plane problem, there are two important things to note regarding the force of gravity. Firstly, the force perpendicular to the surface of the inclined plane is the weight of the object.

This is the force acting straight down on the object due to gravity, and it is always perpendicular to the surface of the inclined plane. Secondly, the force parallel to the plane is the component of the weight that acts in the direction of the incline. This force is determined by finding the weight of the object and multiplying it by the sine of the angle of inclination.

It is important to note these two forces because they are used in calculating the net force acting on the object and ultimately determining the object's acceleration. Understanding the forces acting on an object on an inclined plane is essential for solving problems related to motion and forces in physics.

To learn more about Inclined plane :

https://brainly.com/question/26262923

#SPJ11

There are 12.046×10²³ molecules in one mole of O₂ gas.

Each molecule of oxygen has 2 atoms. Avogadro explained that at constant pressure and volume there are certain number of molecules in one mole of gas, irrespective of the type of gas. The number of molecules in 22.4 L of any gas is 6.023 × 10²³. This constant is known as avogadro constant. This is one of the most important constant in the chemistry. If the atomic weight of a gas is 35. It means 35 is the weight of the one mole of gas or of 6.023 × 10²³ molecules of that gas. Atomic weight of any gas is the weight of a fixed number of molecules, which is determined by the avogadro's number. So the number of molecules in one mole of O₂ gas = 2 × 6.023 × 10²³

= 12.046×10²³

To know more about one mole, here

https://brainly.com/question/14585733

#SPJ4

The wavelength of the x-rays emitted when an electron beam strikes a block of copper with a frequency of 1.97 × 10^19 Hz is 1.52 × 10^-11 m.

When an electron beam strikes a block of copper, it produces x-rays. The frequency of the x-rays is given as 1.97 × 10^19 Hz. We are required to find the wavelength of these x-rays. The relationship between the frequency and wavelength of electromagnetic radiation is given by the equation c = λf where c is the speed of light, λ is the wavelength and f is the frequency.

Rearranging this equation, we get λ = c / f where c = 3.0 × 10^8 m/s. Substituting the values, we get λ = 3.0 × 10^8 / 1.97 × 10^19λ = 1.52 × 10^-11 m. Therefore, the wavelength of the x-rays emitted when an electron beam strikes a block of copper with a frequency of 1.97 × 10^19 Hz is 1.52 × 10^-11 m.

Learn more about wavelength here:

https://brainly.com/question/13699468

#SPJ11

Answer:

During charging by conduction, both objects acquire the same type of charge. If a negative object is used to charge a neutral object, then both objects become charged negatively. ... In this case, electrons are transferred from the neutral object to the positively charged rod and the sphere becomes charged positively.

Answer:

25000 N

Explanation:

\(force \: = pressure \times area \\ = 50000 \times 0.5 \\ = 5000 \times 5 \\ = 25000 \: N\)

Explanation:

Newton's third law states that " Every action has an equal and opposite reaction ".

Since, the Tension force acting on the rope is same.

So, the net force is the same everywhere along the entire rope.

Use Newton's third law to construct an argument that the net force is the same everywhere along the entire rope. The argument is tension force acting on the rope is same so net force is same.

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Newton's third law states that " Every action has an equal and opposite reaction ".

Since, the Tension force acting on the rope is same.

So, the net force is the same everywhere along the entire rope.

The argument is tension force acting on the rope is same so net force is same.

To learn more about force refer to the link:

brainly.com/question/13191643

#SPJ2

The ways that the motor design would be improved have been written below

Here are two ways to improve the design of the motor and make it spin faster:

Increase the number of turns on the coil: The coil of wire in the motor generates a magnetic field when electric current flows through it. By increasing the number of turns in the coil, the magnetic field will be stronger, which will cause the motor to spin faster. This is because the force that causes the motor to spin (called the torque) is proportional to the strength of the magnetic field.

Increase the voltage of the battery: The battery in the motor provides the electric current that flows through the coil and generates the magnetic field. By increasing the voltage of the battery, more current will flow through the coil, which will increase the strength of the magnetic field and cause the motor to spin faster. This is because the torque is also proportional to the amount of current flowing through the coil.

Overall, by increasing either the number of turns on the coil or the voltage of the battery (or both), the students can increase the strength of the magnetic field and the amount of torque generated by the motor, which will make it spin faster.

Read more on motor design here:https://brainly.com/question/30224823

#SPJ1

The distance from the Earth's center to the Lagrange point L1 is approximately 326,225 km.

To determine the point where the gravitational forces of the Earth and the Moon cancel each other, you can use the concept of the Lagrange point, specifically L1. At this point, the gravitational forces from both bodies are equal and opposite, causing them to effectively cancel each other out.
To find the distance from the Earth's center, you can use the following formula:
\(d = (R * (Mm / (Mm + Me))^{1/3})\)
where d is the distance from the Earth's center, R is the distance between the centers of the Earth and the Moon (384,400 km), Mm is the mass of the Moon (7.342 × \(10^{22}\) kg), and Me is the mass of the Earth (5.972 × \(10^{24}\) kg).
Using this formula, the distance d from the Earth's center to the L1 point where the gravitational forces cancel is approximately 326,284 km.

Learn more about  gravitational forces here:

https://brainly.com/question/29190673

#SPJ11

The amount of heat needed to increase the temperature of a solid sphere of diameter 2D of the same metal from 4°C to 7°C is is 8 times the initial amount of heat.

The temperature increment will lead to the increase in the internal energy of the object. This internal energy is the heat.

Given is the change in  temperature ΔT = 7-4 =3°C., diameter D to 2D,

Q = Cp x  ρ(4π/3)D³ x 3..................(1)

and Q' = Cp x  ρ(4π/3)(2D)³ x 3

Q' = Cp x  ρ(4π/3)8D³x 3..................(2)

Dividing both the equation, we have

Q' / Q =8

Q' = 8Q

Thus, the amount of heat needed to increase the temperature of a solid sphere of diameter 2D of the same metal from 4°C to 7°C is 8 times the initial amount of heat.

Learn more about heat.

https://brainly.com/question/1429452?

#SPJ1

Let's see

Use snells law

\(\\ \rm\Rrightarrow \dfrac{n_1}{n_2}=\dfrac{sini}{sinr}\)

\(\\ \rm\Rrightarrow \mu=\dfrac{sin30}{sin19.9}\)

\(\\ \rm\Rrightarrow \mu=0.5/0.34\)

\(\\ \rm\Rrightarrow \mu=1.47\)

It may be glass

The feature of sound that distinguishes between noise and music is the presence of regular and organized patterns in the sound waves. Music typically exhibits rhythmic patterns, melodic structures, and harmonious arrangements, whereas noise lacks these organized patterns.

Here are a few key distinctions:

1. Pitch: Music often consists of discernible pitches, where specific frequencies or combinations of frequencies create melodic and harmonic elements. In contrast, noise tends to lack a distinct pitch and may contain a random mixture of frequencies.

2. Rhythm: Music typically follows a rhythmic pattern with a regular beat and timing, providing a sense of structure and synchronization. Noise, on the other hand, lacks a consistent or intentional rhythmic pattern and may appear random or chaotic in terms of timing.

3. Melody and Harmony: Music commonly features melodic lines and harmonies created by intentional arrangements of tones and chords. These melodic and harmonic elements contribute to the aesthetic quality and organized structure of music. Noise generally lacks intentional melodic or harmonic patterns.

4. Subjective Perception: The subjective perception and interpretation of sound can also play a role in distinguishing between noise and music. Different individuals may have varying preferences or cultural contexts that influence their perception of what is considered noise or music.

It is important to note that the distinction between noise and music can be subjective to some extent, as certain genres or styles of music may incorporate unconventional or experimental elements that challenge traditional notions of musicality.

To learn more about noise and music:https://brainly.com/question/18044512

#SPJ11

The maximum potential energy stored in the spring is 0.018 J. It is given that the force F (in N) and the displacement x (in m) of the springs and we are asked to use Hooke’s law to compute the potential energy stored in the spring U (in J) and then compute the vectors of the spring constants and the potential energies using MATLAB.

Computing the spring constant k from the given data: We know that F = kx ⇒ k = F/x. Here, F and x are vectors: F = [14, 18, 8, 9, 13] N and x = [0.013, 0.020, 0.009, 0.010, 0.012] m. We can compute k as follows: k = F./x = [14/0.013, 18/0.020, 8/0.009, 9/0.010, 13/0.012] kN/mk = [1076.92, 900, 888.89, 900, 1083.33] N/m (rounded off to 2 decimal places)2.

Computing the potential energy stored in the spring U from the given data: We know that U = (1/2)kx². We can compute U as follows: U = (1/2)k.*x² = [(1/2)1076.92(0.013)², (1/2)900(0.020)², (1/2)888.89(0.009)², (1/2)900(0.010)², (1/2)1083.33(0.012)²] JU = [0.009, 0.018, 0.004, 0.005, 0.007] J (rounded off to 3 decimal places).

Determining the maximum potential energy using the max function: We can determine the maximum potential energy using the max function as follows: maxU = max(U) = 0.018 J. Therefore, the maximum potential energy stored in the spring is 0.018 J.

To know more about potential energy, refer

https://brainly.com/question/24933254

#SPJ11

Answer:

x = A sin w t         for SHM where w = angular frequency

sin w t = x / A = .12 / .15 = .8    where w t is the angle in degrees

w t = 53.1 deg       (w itself is in rad / sec)

since v = A w cos w t  

then v / x = w cos w t / sin w t = w / tan w t

w = v / x * tan 53.1 = 1.7 / .12 * tan 53.1 = 18.9 /sec

Also for SHM    w = (k / m)^1/2

m = k / w^2 = 75 / 18.9^2 = .21 kg

Magellan could not use Polaris for navigation in the Southern Hemisphere because it is not visible from that region.

Polaris, also known as the North Star, has been used for navigation by explorers in the Northern Hemisphere. However, when Magellan sailed to the Southern Hemisphere, he could not use Polaris for navigation.

Polaris is located very close to the North Celestial Pole, which means it appears to be almost directly above the Earth's North Pole. As a result, when navigating in the Northern Hemisphere, Polaris remains relatively fixed in the night sky, providing a reliable point of reference for determining north.

In the Southern Hemisphere, however, Polaris is not visible. This is because it is located close to the Earth's North Pole, and the South Celestial Pole does not have a bright star comparable to Polaris. Navigators in the Southern Hemisphere must rely on other celestial objects, such as the Southern Cross or specific constellations, to determine their direction.

Therefore, Magellan could not use Polaris for navigation in the Southern Hemisphere because it is not visible from that region.

To learn more about North Star, click here: brainly.com/question/32168908

#SPJ11

As the current flowing through the resistor changed, the potential difference across the resistor also changed.

According to Ohm's Law, the potential difference across a resistor is directly proportional to the current flowing through it. Therefore, if the current flowing through the resistor increases,

the potential difference across it will also increase, and vice versa. This agrees with my prediction because it is a fundamental principle of electrical circuits.

However, it is important to note that this relationship holds true only for resistors that follow Ohm's Law. For non-Ohmic resistors, the relationship between potential difference and current may not be linear, and may depend on other factors such as temperature or frequency.

To learn mote about : resistor

https://brainly.com/question/30611906

#SPJ11

Sir Isaac Newton organized the visible colors into a chart known as the color spectrum or Newton's color wheel.

Newton conducted experiments with light and prisms in the 17th century, leading to his groundbreaking work on the nature of light and color. He observed that when white light passes through a prism, it separates into a continuous band of colors. This band of colors, arranged in a specific order, became known as the color spectrum. Newton's color spectrum consists of the colors red, orange, yellow, green, blue, indigo, and violet. He arranged these colors in a circular shape, resembling a wheel, where each color transitions smoothly into the next. This representation of colors was a significant contribution to our understanding of the visible light spectrum and paved the way for further investigations into the properties of light and color by subsequent scientists.

To learn more about spectrum, click here: https://brainly.com/question/32934285

#SPJ11

sir isaac newton organized the visible colors into chart known as the_____.

The temperature patterns under low emissions and high emissions differ from the medium emissions model by having different temperature rise.

A temperature pattern describes the temperature of  a place in Earth. It is highly influenced by the strength of the sun. The strength of the sun is highly dependent upon how high it rises in the sky during the day. It is also influenced by the emissions in the area which is responsible for global warming.

As the name suggests low emission model has lower emission, high emission model has high emission and medium emission model will have medium emission. As emission increase, the temperature will also increase. So there will be different temperature patterns in all these models.

Therefore, the temperature patterns under low emissions and high emissions differ from the medium emissions model.

To know more about temperature patterns

https://brainly.com/question/14661210

#SPJ4

The yangtze river is the world’s third-largest river and is used extensively as a trade avenue. The given statement is true.

Trade avenue is a street or road used to do trading or exchange of goods.

Yangtze river is in China. It runs for 3900  miles right from the Tibetan Plateau to the estuary of East China near to Shanghai.

The Yangtze river is the world’s third-largest river and is used extensively as a trade avenue.

Thus, the statement is true.

Learn more about trade avenue.

https://brainly.com/question/3304374

#SPJ1

True: From the best current data, we infer the universe will expand forever.

As of my knowledge cutoff in September 2021, based on the best current data and observations, scientists infer that the universe will continue to expand forever. This inference is supported by the observations of the accelerated expansion of the universe, which was discovered in the late 1990s and confirmed by subsequent measurements.

This acceleration suggests the presence of dark energy, a hypothetical form of energy that permeates space and drives the expansion. However, scientific understanding and research are continuously evolving, so it's important to note that new observations or theories could potentially alter our current understanding in the future.

To know more about the universe, refer:

https://brainly.com/question/21436384

#SPJ4

The average useful power output of robot is 0.0001 W

The time taken by robot to lift bricks is 630000000 sec

Given:

work done by robot = 5.5 j

time taken to do the work = 12.0 hours

weight of bricks = 3500 kg

length of bricks = 1.8 m

To Find:

The average useful power output of robot is

The time taken by robot to lift bricks is

Solution: Useful power output means the electric or mechanical energy made available for use, exclusive of any such energy used in the power production process.

P = W/t

P = 5.5/12*3600

P = 0.0001 W

So, average useful power output of robot is 0.0001 W

t = W/P

W = mgh So t = mgh/P

t = 3500x10x1.8/0.0001

t = 630000000 sec

So, time taken by robot to lift bricks is 630000000 sec

Learn more about Power output here:

https://brainly.com/question/13927045

#SPJ4

Answer:

Temperature change

Explanation:

Answer:

v =2.02

Explanation:

v^2=0.05-4.9

v^2=-4.85

square root both side

v=2.02

^^^^this is a not a perfect square