a particle moving with a uniform speed of 5ms-1 along a circular path.In its journey from a to b change in speed is zero
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Answer:
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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