Question

A stone falls from rest from the top of a high tower. Ignore air resistance and take g = 10m/s².
What is its velocity after 1s

Answer 1

Answer:

10

Explanation:

No thing its simple a equals v minus u upon t

Answer 2

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