Question

A stone thrown vertically upwards with an initial velocity 30 metre per second comes to a stop in 5 s. Find the retardation
options are:
6 metre per second square
- 6 metre per second square
5 metre per second square
-5 metre per second square​

Answer 1

Answer:

Acceleration a=

t

v−u

=

5s

0−50ms

−1

=−10ms

−2

Retardation=−Acceleration

=10 ms

−2