A horizontal force of 0•80N is Required to pull A 5kg Block Across a table top at a constant speed. With the block initially at rest again. Determine the speed v of the bullet where the bullet is assumed to be embedded in the block.
Fd=mv22,Fd=\frac{mv^2}2,Fd=2mv2,
v=2Fdm=0.32d.v=\sqrt{\frac{2Fd}m}=\sqrt{0.32d}.v=m2Fd=0.32d.
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