Question

how long does it take a brick to reach the ground if dropped from a height of 65 m?what will be its velocity just before reaches the ground

Answer 1

Here u = o m/s

s or h =65 m

There fore

v^2-u^2=2as

v^2= 2×9.8×65(u=0)

v^2=1274

v=35.7 m/s