Since gravity is unlimited, can we use it is as an infinite energy source?

Q: Light has no mass so it also has no energy according to Einstein, but how can sunlight warm the…

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Q: What is the relationship between mass and kinetic energy when speed is held constant ?

A: The kinetic energy of a moving mass can be given as, KE=12mv2 Here, m denotes the mass and v denotes…

Q: .2-kilogram ball has 16 joules of Kinect energy.what is its speed 10m/s 4m/s 12m/s 16m/s

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Q: UP Us Sending spaceships to the outer regions of the solar system requires large energies. The…

A: Initial velocity of the spaceship vs→=20j^+30i^ and initial velocity of the planet vp→=45i^. The…

Q: In a spaceship far from the reaches of gravity, under what conditions could you feel as if the…

A: It can be felt as if the spaceship were stationary in Earth’s surface if the spaceship accelerates…

Q: HOw much energy is required to move a 1000 kg öbject from the' Eayth's ,sürface to an altitude'3…

A: Mass of the satellite, m = 1000 kg Mass of Earth, M = 5.97 X 1024 kg Radius of Earth, R = 6.38 X 106…

Q: Gneven data Mass 15 kg Velocity = 16m/. 1.6 m/A Find kinetic energy

A: Given data :                      Mass    =    m                 Velocity     =    v        To find…

Q: needed to leave a

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Q: You are a passenger on a spaceship. As the speed of the spaceship increases, you would observe A.…

A: As the speed of spaceship increases so my speed also increases as I am in the spaceship. This…

Q: A mass of 5 kg is 100m above a given datum where local g = 9.75 meter per second square. Find the…

A: Mass, m = 5 kg Height, h = 100 m Acceleration due to gravity, g = 9.75 m/s2   Potential energy is…

Q: Why our mass changes when we travel in elevator?

A: Mass is quantity of matter , it remains the same .Weight the person measured in a accelerating…

Q: In Robert Heinlein's The Moon Is a Harsh Mistress, the colonial inhabitants of the Moon threaten to…

A: In this question we are given that the colonial inhabitants of the Moon threaten to launch rocks…

Q: Does Earth do gravitational work on you as you walk downstairs?

A: To Determine Does Earth do gravitational work as we walk downstairs.

Q: Is there potential energy or kinetic energy in space? Why or Why not?

A: Reason; Gathering of every charges in space, for example, having electromagnetic potential energy.…

Q: Discuss with your friends how length contraction occurs for a racing car that travels at 200 miles…

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Q: A student writes the Einstein's mass energy equivalence relation E=C^2/m as where m is the mass and…

A: This relation is not correct.

Q: Find the direction, speed, and kinetic energy of a 5kg mass moving with velocity v = {4,-2,6}.

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Q: Why the height of an object increases and then decreases as time passes ?

A: This is possible for motion under gravity

Q: In an effort to exact the most severe capital punishment upon a rather unpopular prisoner, the…

A: This type of individual is one who is ignorant of physics or eho doesn't know much physics and…

Q: A 50-year-old astronaut goes off on a long-term mission in a spacecraft that travels at speeds close…

A: Age will definitely increase.In the Earth's frame 200 years have been elapsed.In the astronaut's…

Q: A spaceship of mass 800,000 kg at a distance of 50,000 km above Earth's surface is accelerating away…

A: From Newton’s second law of motion, the expression for the net force acting on the rockets is:

Q: What do Newton’s and einstein description of gravity have in common

A: Gravity and gravitational is a natural phenomenon by which all things with mass or energy including…

Q: In a fit of rage, due to a small drop in his approval rating, Homelander throws a baseball into deep…

A: Solution:

Q: he path that led to Albert Einstein's development of Special Theory of Relativity was

A: A-1,4 B-5 C-6 D-3 E-2

Q: Is the statement by the philosopher Kierkegaard that “Life can only be understood backwards; bur it…

A: The statement given by the Kierkegaard that “life can only be understood backward, but it must be…

Q: You are a passenger on a spaceship. As the speed of the spaceship increases, you would observe

A: We are inside spaceship, which is moving as the speed of the spaceship increases, there is nothing…

Q: 7) The equation E = mc² illustrates that a) energy can be converted into mass b) rest mass and…

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Q: James is standing on top of a hill. How talll is the hill if Jamrs has a mass of 86 kilograms and…

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.