Question #6426309Single Choice

Physics

Question

A 3 kg object is dropped from a height of 40 meters. After falling for 1.5 seconds, how much has its gravitational potential energy decreased? (Take g = 10m/s2)

Options

A
    11.25 J
B
    112.5 J
C
    862.5 J
D
    337.5 J

Answer & Analysis