Givn m = 0.1kg u = 10ms−1 h = 10m g = 10ms−2
At hmax; v = 0
Using notv = notu = notgt not0 = notw - not10t
v2 = u2 - 2gh 02 = 102 - 2 x 10h 20h = 100 h = 5m Total height = 10 + 5 = 15m Total energy = mghr = 0.1 x 10 x1 5 = 15J
