A hammer waiting 2.5kg moving with a speed 1m/s strikes the head of the nail driving it 10cm into the wall.the acceleration during impact and the inpulse imparted to wall will be respected

Asked by SYOHAN | 26th Jul, 2012, 05:34: PM

Expert Answer:

Impullse is the momentum change: initial momentum of hammer (because final velocity of hammer is zero) = 2.5*1 = 2.5 kgm/s
 
using 3rd equation of motion:

Answered by  | 26th Jul, 2012, 10:35: PM

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