Question

A bullet having a mass of 10 g and moving with a speed of 1.5 m/s, penetrates a thick wooden plank of mass 900 g . The plank was initially at rest . The bullet gets embedded in the plank and both move together . Determine their velocity​

Answer 1

Answer:

mass of bullet 10 g

speed of 1.5 m/s,

as initial momentum = final

  10/1000*1.5 = (900+10)/1000*v

15=1000v

v=0.015m/s

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Explanation: