Physics, 09.12.2020 17:40, Reebear1447
1. Astronauts appear to be "weightless" while on a spacecraft orbiting the
Earth. Explain what is really happening to them and why a person cannot
actually be "weightless".
a. If the astronaut has a mass of 70kg and is orbiting the Earth 4.08x105
m above the Earth's surface, how much gravitational force is the Earth
putting on the astronaut?
Answers: 3
Physics, 21.06.2019 21:40, 2003loganreed
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
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1. Astronauts appear to be "weightless" while on a spacecraft orbiting the
Earth. Explain what is r...
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