Question

A stone falls from rest from the top of a high tower. Ignore air resistance and take g = 10 m/s2.
How far has it fallen after
(i) 1 s,
(ii) 2 s,
(iii) 3 s,
(iv) 5 s?

Answer 1

Use formula s = ut +1/2gt^2

intial velocity 0

so

dis = 1/2gt^2

1. 5m

2. 20 m

3. 45 m

4. 125 m