Q.

A particle having mass 5kg is moving on straight line  y=2x+4 with velocity  35ms. The angular momentum of particle about origin is 

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a

100kgm2sec

b

60kgm2sec

c

50kgm2sec

d

80kgm2sec

answer is B.

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Detailed Solution

M=Tanθ=2c=4
Question Image
 d4=cosθ=15 d=45 L=MVd=5×35×45=60kgm2/sec

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