A simple pendulum of length 1m has a wooden bob of mass 1kg.it is strike by a bullet of mass 10^-20 kg moving with a speed of 2×10^2m/s.The bullet gets embedded into the bob. Obtain the height to which the bob rest before swing back.

Answers

Answered by Scott
momentum is conserved ... find the velocity of the bullet/bob after impact

calculate the kinetic energy of the bullet/bob

the K.E. becomes P.E. ... 1/2 m v^2 = m g h ... h = v^2 / (2 g)
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