A particle moves in a circular path with uniform speed of 5 metre per second find the acceleration of the particle when it moves from one end of a diameter to its other end in 3 seconds
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A particle is moving along a circular path of radius 5 m with a uniform speed 5 ms
−1
. What will be the average acceleration when the particle completes half revolution?
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Solution To Question ID 670364
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Answer
Correct option is
D
π
10
ms
−2
When the particle completes half revolution change in velocity
Δv=[5−(−5)]m/s=10m/s
Time taken to complete the half revolution is
t=
v
πr
=
5
π×5
=πs
Thus, average acceleration =
t
Δv
=
π
10
m/s
2
.
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