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A particle of mass 5g is moving with a uniform speed of  32 cm/sec in the x-y plane along the line y=x+4. The magnitude of its angular momentum about the origin in gmcm2/s is

a
Zero
b
30
c
32
d
60

detailed solution

Correct option is D

L=mVcosθ×y ( y is the y intercept for the given straight line)=5×32.12×4=60

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A particle of mass m = 5 units is moving with a uniform speed v=32, units in the XOY plane along the line y = x + 4. The magnitude of the angular momentum of the Particle about the origin is


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