Question #6426307Single Choice

Physics

Question

A 6 kg object is dropped from a height of 25 meters. After falling for a certain period of time, its gravitational potential energy has decreased by 1140 J. What is the height of the object at this point? (Take g = 10m/s2)

Options

A
    6 m
B
    19 m
C
    31 m
D
    18 m

Answer & Analysis