A hammer weighing 3 kg strikes the head of a nail with a speed of \[2\ – McqOptions

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1.	A hammer weighing 3 kg strikes the head of a nail with a speed of \[2\text{ }m{{s}^{-1}}\] drives it by 1 cm into the wall. The impulse imparted to the wall is
A.	6Ns
B.	3Ns
C.	2Ns
D.	12 Ns
Answer» B. 3Ns

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