Newtons laws of motion

A hammer weighing 2.5 kg is moving with a speed of 1m/s strikes the head of the nail driving it 10 cm into the wall.

The acceleration during impact and the impulse imparted to the wall will be respectively..........

2 Answers

106

Asish Mahapatra ·2011-10-05 20:10:56

impulse = mÎ”v = 2.5 Ns

using v²=u²+2as

=> 0 = 1²+2a*0.1
=> a = -5m/s²

thank you.

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