NEET Questions Solved


(1)

When the string is fully compressed.
K.E. of the block = P.E. of the spring.

12mv2 = 12 Kx212×25×32 = 12×100×x2x=1.5 m

When the block comes to the original psotion, it will gain its K.E. from spring and the speed of the block will be same as before.
 V=-3 m/s

Difficulty Level:

  • 58%
  • 24%
  • 15%
  • 5%