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
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a
Zero
b
30
c
32
d
60
answer is D.
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Detailed Solution
L=mVcosθ×y ( y is the y intercept for the given straight line)=5×32.12×4=60
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