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Question 12 out of 2 pointsThe SI units of acceleration areQuestion 22 out of 2 pointsIf a body were in orbit very near the surface of the Earth, its centripetal acceleration would beQuestion 32 out of 2 pointsDuring the period of one day, the number of high tides at a given point is aboutQuestion 42 out of 2 pointsA 188-pound astronaut in a training exercise experiences an acceleration of 7.2 g's. What is the net force (in newtons) acting on the astronaut? Question 52 out of 2 pointsFor this situation, I push on a heavy chair.Suppose I push very hard on the chair, and this time the chair moves and Islip backward as well. Then the strength of the force the chair exerts on me is