A planet is 4.5 light years from Earth. A spaceship is able to fly at 0.9c. How long would it take to get there as observed by its pilot?

Q: Two spaceships are at the sun, and they set their clocks to zero. They then travel in opposite…

A: Given, Speed of spaceships are 0.80c and 0.90c  distance from the sun is 5.0*109 m

Q: As the drawing shows, a carpenter on a space station has constructed a 30.0° ramp. A rocket moves…

A: v = 0.854cwhere c is the speed of lightθ = 30° Since it is in x-direction, there will be length…

Q: A spaceship is moving away from Earth at 0.900c when it fires a small rocket in the forward…

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Q: A spaceship, 230 m long as seen on board, moves by the Earth at 0.936c. What is its length (in m) as…

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Q: Sam leaves Venus in a spaceship headed to Mars and passes Sally, who is on Earth, with a relative…

A: a) As the departure of Sam and Sally from Venus and the arrival at Mars id happening at the same…

Q: The control panel on a spaceship contains a light that blinks every 2.71 s as observed by an…

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Q: Saturn is 1.43 x 1012 m from the sun. A rocket travels along a line from the sun to Saturn at a…

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Q: An astronaut at rest on Earth has a heart rate of 70. beats/min. When the astronaut is traveling in…

A: The formula to calculate the heart beat rate is,

Q: A spaceship from another galaxy passes over the solar system directly above a radial line from the…

A: Given Information: The speed of the space ship relative to the person on the Earth (Vse) = 0.800 c…

Q: A spaceship is moving away from Earth at 0.892c when it fires a small rocket in the forward…

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Q: A space shuttle passes over the Earth at v = 0.90c speed. If the length of space shuttle observed by…

A: Proper length = L∘=100 m Speed = v = 0.9  Say length observed from earth is L The formula used will…

Q: A spacecraft is moving past Earth at a constant speed v which is 0.90c. The astronaut measures the…

A: The time interval ∆t that the observer on Earth measures between the ticks at the astronaut’s clock…

Q: A spaceship traveling at 0.5c relative to earth is 45 m long as measured by its crew. How long is…

A: The original length of the spaceship, L0=45 m   The velocity of a spaceship, v=0.5 c

Q: One cosmic-ray particle approaches Earth along Earth’s north–south axis with a speed of 0.80c toward…

A: The velocity addition rule is given by,

Q: As measured on Earth, a spaceship traveling at 0.94c takes 8 years to complete the trip from Earth…

A: Postulates of Special Theory of Relativity: All the laws of physics are the same in all inertial…

Q: Suppose Spider-man throws a web that is 1.5 m long with a velocity of 0.85c with respect to the…

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Q: An alarm clock is set to sound in 10.0 h. At t 5 0, the clock is placed in a spaceship moving with a…

A: Velocity relative to the earth (v) = 0.75c.Alarm set to sound at = 10.0 h.At 5.0 h the alarm clock…

Q: As spaceship A moves away from the earth at 0.524c, the captain observes a second spaceship (B)…

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Q: A beam of light is moving in the same direction as an object is traveling. If the object is moving…

A: According to the Law of Relativity, the speed of light is same in all frame.

Q: A car has length 4.40 m when it is at rest relative to you. If it moves past you at a speed of…

A: Given data:  Length of car at rest (L0) = 4.40 m Speed of car (v) = 0.88c Required: Measured length

Q: If a spaceship is approaching the earth at 0.17c and a message capsule is sent toward it (the…

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Q: What is the momentum of an electron traveling at 0.980c ?

A: The expression for the Lorentz factor,

Q: As an example, consider a spaceship moving away from you at a velocity of 0.5c. Suppose that the…

A: Given: The speed (v) of the spaceship is 0.5c. Introduction: According to the relativistic velocity…

Q: A spaceship goes past a planet at a speed of 0.80c relative to the planet. An observer on the planet…

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Q: An astronaut in a rocket moving at 0.50c toward the sun finds himself halfway between the Earth and…

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Q: When a missile is shot from one spaceship towards another, it leaves the first at 0.950c and…

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Q: A base on Planet X fires a missile toward an oncoming space fighter. The missile’s speed according…

A: The expression for velocity of an object is, u'=u-v1-uvc2

Q: 4. 37.9 · A spacecraft of the Trade Federation flies past the planet Coruscant at a speed of 0.630c.…

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Q: A particle is moving at a speed of 0.925c and travels from one end of a 50 m long Physics lab to the…

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Q: A 25 m long beam is shot past a stationary space station at 0.99c. What length does the people on…

A: From Length's contraction:           L= L01-v2c2          L= 251-0.992c2          L= 25×0.141= 3.5 m

Q: The control panel on a spaceship contains a light that blinks every 1.51 s as observed by an…

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Q: If two spaceships are heading directly towards each other at 0.800c , at what speed must a canister…

A: Given information: Here v is the speed of each spaceship S1 and S2, and ux’ is the speed of the…

Q: Spaceships A and B move in opposite directions at the same speed of 0.378c relative to earth, with A…

A: Given data- Spaceship A and B move in opposite directions at the same speed-…

Q: A very fast-moving train car passes you, moving to the right at 0.50c. You measure its length to be…

A: Given data: Speed of train, u=0.50c length measured by you, l=12 m speed of David, v=0.80c let the…

Q: Suppose a space probe moves away from the Earth at a speed 0.350c . It sends a radio wave message…

A: The speed of the space prob, v=0.350 c   The frequency of the source, fs=1.50 GHz

Q: A spacecraft has a speed of 0.4c relative to Earth. As measured on Earth, the elapsed time between…

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Q: David is 30 years old, and his sister Alexis is 25 years old, when David leaves to travel to planet…

A: The  time dilation is the difference in the elapsed time as measured by two clocks.

Q: A 4.0 meters long rod is measured by an observer moving at speed of 0.6c along its length what is…

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Q: Suppose a celestial body is moving away from the Earth at a speed of 0.325c. It emits radio waves…

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Q: A proton is moving at a speed of 0.923c. If the kinetic energy is tripled, by how much does the…

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Q: As spaceship A moves away from the earth at 0.510c, the captain observes a second spaceship (B)…

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Q: A space shuttle passes over the Earth at v = 0.90c speed. If the length of space shuttle observed by…

A: Speed of the shuttle is v = 0.90c Length of the shuttle is lo = 100 m

Q: An astronaut is traveling in a space vehicle that has a speed of 0.500c relative to Earth. The…

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Q: An astronaut inside a spacecraft moving at 0.89c measure the length of the ship as being 100 m. How…

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Q: A tracking station on Earth observes a rocket move away at 0.370c. This rocket is designed to launch…

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Q: what should the speed of β relative to turn be?

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