Question:

A body of mass 1kg falls freely from a height of 100m, on a platform of mass 3 kg which is mounted on a spring having spring constant k = 1.25×106 N/m . The body sticks to the platform and the spring’s maximum compression in found to be x. Given that g = 10 ms-2 the value of x will be close to

Options :

  • (a) 40 cm
  • (b) 80 cm
  • (c) 2 cm
  • (d) 8 cm

Answer :

(c) 2 cm

Answer Steps :

step1

step 2

step 3

Video Tutorial