Question

A particle of mass 20 g moves along a circle of radius 16 cm with a constant tangential acceleration, the magnitude of change in momentum after one revolution of motion starting from rest is 8 × 10−2 kg m/s. The magnitude of tangential force on the particle is​

Answer 1

Answer:

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Answer 2

Answer:

r=  π 20

​

 

In two revolution , distance is s=2×2πr=80m

Now, v  2  =2as for zero initial speed.

⟹a=  v^2/2s

 

=   80×80/2×80 ​

 

⟹a=40m/s^2