Question

A bob of mass of 0.18 kilograms is released from a height of 45 meters above the ground level. What is the value of the kinetic energy gained by the bob at the ground level?
A: 2.4 joules
B: 5.1 joules
C: 8.1 joules
D: 10.0 joules

Answer 1

i think the best answer is b 

Answer 2

Answer:

The answer is c 8.1 j

Explanation: