Suppose the speed of light were only 3000 m/s. A jet fighter moving toward a target on the ground at 800 m/s shoots bullets, each having a muzzle velocity of 1000 m/s. What are the bullets velocity relative to the target?

Q: You encounter a moving walkway that is 75 mm long and has a speed of 1.9 m/sm/s relative to the…

A: Given value--- speed of walkway = 1.9 m/s. distance = 75 m. We have to find --- How long would it…

Q: York to Los Angeles, a distance of about 5000 km. low fast must the rocket ship go to have its own h…

A: As per the theory of relativity, time will depend on the frame of reference in which it is measured.…

Q: Albert is traveling aboard a ship which he measures to be 100.0 m long. As he flies past Brenda, she…

A: Given Data: Original length (L0) = 100.0 m.Length contraction (L) = 66.0 m. To Determine: The speed…

Q: A particle is moving in the +x direction at speed c/2. Another particle is moving in the -x…

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Q: Observers on two side-by-side trains—one green and one blue—look out the window at each other. The…

A: All the frames are with zero acceleration and thus inertial frames.

Q: A 130 kg astronaut carrying a 16 kg tool bag finds himself separated from his spaceship by 14 m and…

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Q: The speeds of John and Max are 30 km/h and 40 km/h. Initially Max is at a place L and John is at a…

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Q: Sean & Shawn are in a laboratory in Earth's rest frame and say that Mo & Neji's spaceship's…

A: The ratio of the speed of spaceship to the speed of light is 0.750Explanation:

Q: Jane and Bob see each other when 100 m apart. They are moving toward each other, Jane at speed…

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Q: Is there any point on the trajectory where v and a are parallel to each other? If so, where? Essay…

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Q: As discussed in section R3.4, muons created in the upper atmosphere can sometimes reach the earth’s…

A: To find the thickness of the portion of the Earth's atmosphere that the muon travels through in its…

Q: 27. The figure shows the velocity of two spaceships as measured by an observer on earth. What is the…

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Q: kinetic energy

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Q: A jet airplane travelling at the speed of 500km/h ejects its products of combustion at the speed of…

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Q: Suppose that construction crews have set up a pair of blinking lights 60 m apart to mark a…

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Q: Suppose you're watching the deconstruction of a bridge. It's blown up and the sound of the explosion…

A: Write the given values with suitable variables. t=3 sv=344 m/s Here, t is the time and v is the…

Q: A starship blasts past the earth at 2.0 x 108 m/s. Just after passing the earth, the starship fires…

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Q: What would be the momentum of an object pushed to the speed of light?

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Q: A man moves on ground with a speed of 2ms-1 towards a train moving towards him with 40ms-1 on…

A: Train is moving in the opposite direction of person.

Q: A 125 kg astronaut carrying a 12 kg tool bag finds himself separated from his spaceship by 22 m and…

A: Let u denotes the speed of the astronaut and the tool bag before he throws it, v1 denotes the…

Q: Why is it impossible for any object with mass to move as fast as the speed of light?

A: Write the Einstein’s equation for the relation of energy and mass of a particle. From the above…

Q: A How fast would it have to be going past you in order for it to appear only 5.5 m long? Give you…

A: Given length of car 6.05m moving with great speed. To find how fast it have to be going to appear…

Q: An astronaut is said to have tried to get out of a traffic violation for running a red light (λ =…

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Q: (Q4): What is the momentum (in MeV/c) of a 1200-MeV proton (that is, its kinetic energy is 1200…

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Q: A girl standing on the sidewalk observes a car passing by. Someone sitting in the car throws a box…

A: Given : Speed of the box thrown out of the car, v1 = 3 m/s Speed of the car, v2 = 28 m/s Required :…

Q: A UFO is observed directly above the earth moving at a constant velocity. An astronaut on the moon…

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Q: An electron has a momentum that is four times larger than its classical momentum. Find the speed

A: Give An electron has a momentum that is four times larger than its classical momentum. .γ   is the…

Q: If a flashing light source moves toward you fast enough so that the duration between flashes is half…

A: It is given that a flashing light source is moving towards us such that the duration between the…

Q: A cruise ship going across a lake 15km wide travels a distance of 6km at a certain speed and then…

A: Given,

Q: What is the speed of a proton accelerated by a potential difference of 165 MV?

A: Kinetic energy of charge particle accelerated through potential difference is given as follows:…

Q: A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?

A: Write the expression for the momentum:

Q: Consider the case of two kids, Sam and Peter, riding a train and playing catch in an empty car. The…

A: Speed of train = 10 m/s (towards right)Speed of ball thrown by Sam = 5 m/s (towards right)Speed of…

Q: Why do astronomers looking at distant galaxies talk aboutlooking backward in time?

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Q: A person is determined to travel to a distant star 30 ly away from the surface of earth. Calculate…

A: Given:Star distance is 30 light years away from the surface of earth. To Find:Calculate the velocity…