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1. The length of a spaceship is 10m when it is at rest. If the spaceship travels by you with a speed of 0.70c,
1. The length of a spaceship is 10m when it is at rest. If the spaceship travels by you with a speed of 0.70c, what length does it appear to you? a. 18m b. 5.5m c. 7.1m d. 12m 2. The kinetic energy of a proton is 80% of its total energy. What is the momentum in kg-m/s of the proton? a. 5.0 10-19 kg-m/s b. 2.5 . 10^-19 kg-m/s c. 2.5 10-18 kg.m/s d. 5.0 10-18 kg-m/s
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
