Question #6426311Single Choice
Physics
Question
A 5 kg ball is launched horizontally from a 100-meter-high cliff with an initial velocity of 20m/s. After 3 seconds, how much has its gravitational potential energy decreased? (Take g = 10m/s2)
Options
A
3000 J
B
2000 J
C
2750 J
D
2250 J