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What is the difference between free fall and weightlessness? ?
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Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results
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Avalue that describes how heavy an object is and is related to the force of gravity is
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Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
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What is the difference between free fall and weightlessness? ?...
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