A body can be shielded from gravitational effects. a) True b) False

The gravity of Jupiter is about 3 times what it is on Earth.  If an object’s mass is 180 kg on Earth, what would its mass be on Jupiter? a. 60 kg b. 90 kg c. 180 kg d. 540 kg

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Problem 13

B4

You are an astronaut on a rotating space station. Your station has an inside diameter of 3.00 km a) Draw a system diagram and FBD of your body as you stand on the interior surface of the station  b) Determine the speed you need to have if your apparent weight is to be equal in magnitude to your Earth -boundweight.  c) Determine your frequency of rotation, both in hertz and in revolutions per minute.

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An astronaut of mass m experiences a weight of mg upon the surface of the moor of radius R. Identify the gravitational force exerted on the astronaut by the moon in orbit a distance of 3R above the surface of the moon.   A. 1/16 mg   B. 16mg   C. 1/9 mg   D. mg   E. (1/3)mg

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