In the future, Jake will ride a 75cm “space-skateboard” through the universe, fighting crime.If the space-bandits at rest on Mars believethe skateboard appears to have a length of 65cm as Jake approaches them to make an arrest, how fast will Jake’s skateboard be moving?

Q: An object has a proper length of 10m. It is moving at 45% of the speed of light. What is its length…

A: According to the theory of relativity, an object in motion will appear shorter to an observer who is…

Q: Because of the earth’s rotation, a person living on top of a mountain moves at a faster speed than…

A:

Q: 10. If an astronaut who has only aged 3 years returns to Earth 15 years later, how fast was his ship…

A:

Q: As measured by an observer on the earth, a spacecraft runway on earth has a length of 3200 m. What…

A: Given that:Length of runway on Earth measured by observer on Earth, L0=3200 mAn observer on…

Q: A space explorer travels between asteroids that are 100 000 m apart. His/her space probe travels…

A:

Q: Subatomic particles called pions are created when protons, accelerated to speeds very near c in a…

A: Given: Length = 30 m

Q: Earth's neighboring galaxy, the Andromeda Galaxy, is a distance of 2.54×107 light-years from Earth.…

A: Given, Distance, d = 2.54×107 light years  Time taken, t = 70 years

Q: You are watching a space battle from your observatory on earth.  Sally and Tom rush towards each…

A: Basic Details The relative speed is the speed of an object with respect to other object. The…

Q: While a balloon-supported gondola is rising at a speed of 2.0 m/s, a passenger in the gondola throws…

A: Given Velocity of  gondola w.r.t ground          VgG  = 2.0 m/s   ............ upward Velocity of…

Q: tourist is walking at a speed of 1.05 m/s along a 6.03-km path that follows an old canal. If the…

A:

Q: Two observers, A on earth and B in a space- ship traveling 262 Mm/s, start their timers when the…

A:

Q: As a spaceship is moving toward Earth, Justin and Rich who are on earth  measure its length to be…

A: (a) Velocity of spaceship relative to Earth is: 2.88 * 108 m/s.(b)       (i) Fin and Lael measures:…

Q: A proton is moving at velocity of 0.65c. Estimate its momentum.

A: When objects get closer to the speed of light their mechanical properties like the momentum will be…

Q: In the “redshift” of radiation from a distant galaxy, the light Hy, known to have a wavelength of…

A: Given: Observed wavelength is 434 nm Appeared wavelength is 462 nm

Q: Beta decay is nuclear decay in which an electron is emitted from an atom. If the electron is given…

A:

Q: A moving spaceship measures 20m long, but according to an observer at rest looking at it, it seems…

A: Given value--- moving spaceship measures 20m long. an observer at rest looking at it, it seems to…

Q: A space ship travels with velocity of 1.5 x 10^8 m/s. One person is sitting inside space ship with a…

A: Given information: The velocity of the space ship, v=1.5×108 m/s=1.5×108 3×108 m/s=0.5c The time…

Q: A spaceship moving toward Earth at 0.70c transmits radio signals at 95.0 MHz. At what frequency…

A: We have  Transmission frequency ft = 95 MHz        ft = 95 × 106 Hz  Speed of spaceship v = 0.70c…

Q: An interstellar spaceship with rest length ?rest = 58.0 m is passing a planet at speed ? = 2.31 ×…

A:

Q: In a science fiction novel, a starship takes three days to travel between two distant space stations…

A:

Q: An alien spaceship has a mass ofm= 3.2×109kg, and according to the crew, onboard the bow-to-stern…

A: mass of spaceship (m) = 3.2×109 kg Length measured onboard (Lo) = 680 m Length measured by…

Q: A meter stick moves past you, with its motion relative to you parallel to its long axis. If you…

A:

Q: A proton moves with a speed of 0.90c. Find the speed of an electron that has: a) the same momentum…

A:

Q: Beta-decay is nuclear decay in which an electron is emitted from an atom. If the electron is given…

A:

Q: An alien spaceship travels at v=0.999c-299482km/s (where 'c' is the speed of light equal to 299782…

A:

Q: Two spaceships, A and B, fly by a space station. An observer on the space station uses a telescope…

A:

Q: You have a friend who has just bought a brand new computer. She says that her new system's 1GHz…

A: Amdahl's law is the performance improvement gained by using some faster mode of execution is limited…

Q: A UFO Strikes across the sky at a speed of 0.90c relative to the earth. A person determines the…

A: Given data: Speed of UFO relative to earth is, v=0.90c. Length of UFO determined during the motion…

Q: What is the momentum of a proton moving at a speed of v=0.75c?

A: The momentum of a body is the product of its mass and velocity. In a rest frame, the momentum…

Q: An Other Frame moves with a speed of 0.80 relative to the Home Frame. An object at rest in the Other…

A: The length contraction formula relates the length of an object in a moving frame (L) to its length…

Q: UFO streaks across a football field at 0.90c relative to the goal posts. Standing on the field, you…

A:

Q: A spaceship travels at a speed of 2.4 x 108 m/s. A clock in the spaceship passes 60 seconds. How…

A: According to the time dilation, t'=t1-v2c2t=t'1-v2c2

Q: spaceship has proper length L_p and passes by a person standing on Earth. The person standing on…

A:

Q: Subatomic particles called pions are created when protons, accelerated to speeds very near c in a…

A: Given- Half-life (t1/2) = 1.8*10-8 s Speed (v) = 0.99995c Distance (d1 ) = 30 m Distance (d2 ) = 5.4…

Q: If someone travels at v= 0.99c, she can become younger than her children (assuming the kids stay…

A: Given speed of person v = 0.99c.