A body is falling freely from rest from a height of 100m. The ratio of kinetic energy after 2 and 5 seconds is _____
A. 2:5
B. 4:25
C. 25:4
D. 5:2
Answer:B
A body is falling freely from rest from a height of 100m. The ratio of kinetic energy after 2 and 5 seconds is _____
A. 2:5 B. 4:25 C. 25:4 D. 5:2