Question

a. A stone is dropped freely from the top of a tower & it
reaches the ground in 4 second. Taking g= 10 ms-2. Calculate
the height of the tower.
13​

Answer 1

Answer:

Answer. given : u=0m/s;t=4sec;g=10m/s;h=? therefore the height of the tower is 80meter.

Answer 2

Explanation:

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