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A friend in a spaceship travels past you at a high speed. He tellsyou that his ship is 22 m long and thatthe identical ship you are sitting in is 19 m long.
(a) According to your observations, how long is your ship?
m
(b) According to your observations, how long is his ship?
(c) According to your observations, what is the speed of yourfriend's ship?
c
Two identical point charges (q = +1.50 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.570 m. Determine the speed of the test charge
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