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physics help please!!?
A 0.14-N baseball is dropped from rest. It has a momentum of 0.84 kg⋅m/s just before it lands on the ground. For what amount of time was the ball in the air?
- az_lenderLv 71 month ago
mg = 0.14 N.
mv = 0.84 kg*m/s.
mv/mg = v/g = (0.84 kg*m/s)/(0.14 kg*m/s^2) = 6 seconds.