Question

A stone is dropped freely from the top of a tower and it reaches the ground in 4s. Taking g=10 m/s2, Calculate the height of the tower. ans step by step

Answer 1

Given, a=g=10m/s

2

t=4s

u=0m/s {Initial velocity at rest}

So, height= ut+

2

1

at

2

=(0)(u)+

2

1

(10)(16)

=80m

∴ Height of the tower= 80m .