In: Physics
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Mitch of 70 kg is out in space in his new spacesuit. He is chillin' and listening to his favorite tunes on his CD player. (Yes, Mitch is ol' school.) Skid is in his spaceship and is moving away from Mitch at 0.8c relative to Mitch.
a) Skid tells Mitch over the radio that is takes 12 ms for the CD to make one revolution. How long does Mitch say is takes the CD turn make one revolution?
b) Mitch tells Skid that his spaceship is 15 m long. How long does Skid say his ship is?
c) What is Mitch's relativistic energy relative to Skid?
d) Skid wants Mitch to listen to his new album 3 Lb. Thrill. So, he ejects it out of his spaceship towards Mitch at 0.5c relative to the ship. What is the magnitude and state the direction of the velocity of Skid's album relative to Mitch?
A problem involving consequences of Lorentz transformation and relativistic velocity addition