.An object weighing 5kg is dropped from a height of 25m. Find the:
a. potential energy and its kinetic energy at the instant it is dropped.
b. potential energy and its kinetic energy at the time it is 15m high.
c. velocity when it is 15m high.
d. height when velocity is 12 m/s.
e. potential energy and its kinetic energy at the time it strikes the ground.
f. velocity with which it hits the ground.
Answers: 1
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.An object weighing 5kg is dropped from a height of 25m. Find the:
a. potential energy and its kine...
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