A car moving with a speed of 32 m/s drives off of the edge of a cliff and lands 80. m from the
base of the cliff. How high is the clift?
- 80. m
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B
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Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n

A( developed during the process of technology design