Ask Question
21 September, 22:30

A man of mass 80kg stands next to a stationary ball of mass 4kg on a frictionless surface. He kicks the ball forward along the surface with a speed 15m/s. Calculate the man's recoil speed

+5
Answers (1)
  1. 22 September, 02:23
    0
    Momentum is conserved.

    p = m₁v₁ + m₂v₂ = constant

    Momentum before the collision (kick):

    p = 80 * 0 + 4 * 0 = 0

    Momentum after the collision:

    p = 80 * v₁ + 4 * 15 = 0

    Solve for v₁.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A man of mass 80kg stands next to a stationary ball of mass 4kg on a frictionless surface. He kicks the ball forward along the surface with ...” in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers