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Questions  

A particle is moving in a circular path of constant radius with constant speed of 4 m/s and constant angular velocity of 5 rad/sec. Then magnitude of its centripetal acceleration is 

a
10 m/s2
b
20 m/s2
c
5 m/s2
d
15 m/s2

detailed solution

Correct option is B

Centripetal acceleration aη=ω2r=ω×ωr=ωV=5×4 m/s2=20 m/s2

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Similar Questions

Statement -A : The net acceleration of a particle in circular motion is always along the radius of the circle towards the centre
Statement -B : The velocity vector of a particle at a point is always along the tangent to the path of the particle at that point


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