A 1.0 kg flashlight falls to the floor. At the point during its fall when it is 0.70 m above the floor, its potential energy exactly equals its kinetic energy. How fast is it moving?

A) 3.7 m/s
B) 6.9 m/s
C) 14 m/s
D) 45 m/s
E) 9.8 m/s


A

Physics & Space Science

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