Question

A stone is thrown vertically upwards with a speed of 10.0 m/s from the edge of the cliff 65m high. What will be its speed just before hitting? the bottom

Answer 1

Explanation:

square of v =square of u + 2gh

square of v = 10*10+2*9.8*65

square of v = 100+1274

square of v= 1374

v =

$\sqrt{1374}$