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(4) 14A bullet of mass m passes through a pendulum bob of mass M with velocity v and comes out of t wih aelocity . The minimum value of v so that the bob completes one revolution in the vertical circles= length of pendulum)2Mg/(7m2M(4) v5g

Answer»

Using Conservation of momentuminitial momentum = mv final momentum = M√5gl + mv/2

mv=M√5gl +mv/2

mv - mv/2 =M√5gl

mv/2 = M√5gl

v=(2M√5gl )÷m

V = 2(M/m)√5gl

option 3

thanks ma'am



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