Physics: An astronaut travels to a star system 5.3 ly away at a speed of 0.90 c

Subject: Physics / General Physics
Question
An astronaut travels to a star system 5.3 ly away at a speed of 0.90 c . Assume that the time needed to accelerate and decelerate is negligible.

Part A How long does the journey take according to Mission Control on earth?

Part B How long does the journey take according to the astronaut?

Part C How much time elapses between the launch and the arrival of the first radio message from the astronaut saying that she has arrived?

https://applewriters.com/place-order/

Order Now