a 5 gram rubber ball is released from a height of 7 meter above flat surface on the moon. gravitational acceleration on the moon is 1.62 meters per second squared. assume that no energy is lost from frictional drag. what is the velocity, in units of meters per second, of the rubber ball the instant before it
plssssssss as fast as u can
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vf^2=vi^2+2a*distance
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