Question

Help me solve this..

Answer 1

Heya ✌✌Here is u r Ans ➡➡➡
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Apply principle of conservation of momentum and energy

Momentum before collision = momentum after collision

0.1u + m*0 = 0.1*0 + m*3

½*0.1*u2 = ½*m*32

Solving these two equations, u = 3

½kx2 = ½k(x/2)2 + ½*0.1*32

3/4 kx2 = 0.9

½kx2 = 0.6 J

The correct option is B.
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Hope This Helps u ☺

Answer 2

yup..................no