Question

17. stone of mass 2 kg is tied to a string of length L. If the stone is whirled in a vertical circle, then the net acceleration of stone is
o ac
о а.
oroot ac + at
O root ac2 + at2​

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.

Explanation:

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