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A particleof mass 20 kgexecuting uniform...

A particleof mass 20 kgexecuting uniform circular motion on a path of radius 4.5 m. If the 30 kg `m//s` is the magnitude of linear momentum, then the radial force acting on the particle is

A

40 N

B

20 N

C

30 N

D

10 N

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