Question: On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 5.00 kg, and on this particular planet

On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 5.00 kg, and on this particular planet its weight is 40.0 N. If the astronaut exerts an upward force of 46.2 N on the rock, what is its acceleration?

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