Question

A6.55 kg bowling ball is lifted 2.40 m into a storage rack. Calculate the increase in the ball's potential energy A) 152 J B) 154 J C) 156 J D) 158J E) None of these

Answer 1

Answer:

B)154 J

Explanation:

Mass of bowling ball=m=6.55kg

Height of bowling ball from ground=h=2.4m

Acceleration due to gravity=$g=9.8m/s^2$

We know that

Potential energy=mgh

Where m=Mass of object

g=Acceleration due to gravity

h=Height of object from ground

Substitute the values then we get

Potential energy=$6.55\times 2.4\times 9.8=154J$

Hence, the increase in the ball's potential energy=154J