Suppose a spacecraft of rest

  1. Suppose you are an astronaut spacewalking outside your spacecraft to repair a broken part. In fixing the part, you have drifted
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  2. a friend speeds by you in her spacecraft at a speed of 0.07c in the positive x direction. the spacecraft is measured in yout
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  3. Within 4.0 seconds of liftoff, a spacecraft that is uniformly accelerating straight upward from rest reaches an altitude of 450
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  4. Suppose a spacecraft of rest mass 34000 kg is accelerated to 0.206c. How much kinetic energy would it have?If you used the
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  5. A spacecraft is in a circular orbit 150 kilometers above Earth. Once it attains the velocity needed to escape the Earth's
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  6. How many joules of energy per kilogram of rest mass are needed to bring a spacecraft from rest to a speed of 0.77c?
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  7. A rocket engine on a spacecraft of total mass 10,000kg ejected 1.4kg of hot gases every second at an average discontinuous speed
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  8. An astronaut in her space suit has a total mass of m1 = 69.7 kg, including suit and oxygen tank. Her tether line loses its
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  9. An astronaut in her space suit has a total mass of m1 = 76.9 kg, including suit and oxygen tank. Her tether line loses its
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  10. Question: A 62 kg astronaut floats outside a 3200 kg spacecraft. She's initially stationary with respect to the spacecraft. Then
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