Question

A stone tied to the end of2m long string is whirled in a circle with the speed of5m/s.Calculate the time taken complete1 round​

Answer 1

Answer:

Frequency f=

25

14

Hz

Angular velocity ω=2πf=

25

2×14π

rad/s=3.52rad/s

Acceleration is a=ω

2

r=3.52

2

×0.8=9.9m/s

2

The direction is along the radius at every point towards the centre.

hope it's helpful..