two bodies have masses in the ratio of 4: 1. They are moving with velocities in the ratio of 3:8. Compute the ratio of their momenta.
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Explanation:
mass of two bodies are 4x and 1x respectively
velocity of two bodies are 3x and 8x respectively
momentum of two bodies are 4x*3x => 12x² and
1x*8x => 8x²
[ momentum = mass*velocity ]
therefore ratio of momentum = 12x² / 8x²
=> 12/8
=> 3/2
=> 3 : 2
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