Verified Solution • 2025–26 Session moderate

QJEEM22Ph4105: JEE Main 2022 Physics - Class 11 JEEM22Ph4105 Solution: A ball of mass 0.15   kg hits the wall with its initial…

A ball of mass 0.15 kg hits the wall with its initial speed of 12 ms−1 and bounces back without changing its initial speed. If the force applied by the wall on the ball during the contact is 100 N, calculate the time duration of the contact of ball with the wall.

Multiple Choice Options

  • A 0.018 s
  • B 0.036 s
  • C 0.009 s
  • D 0.072 s

Step-by-Step Verified Solution

F = 100 N

ΔP = 2 × 0.15 × 12

= 3.6

⇒ t = 3.6100 = 0.036 s

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