Physics 0625 · IGCSE · Momentum

Momentum — practice question

A cricket ball has a mass of $0.16\,\text{kg}$. Its speed is $30\,\text{m s}^{-1}$. A bat applies a force of $10\,800\,\text{N}$ to the ball. Once struck, the ball leaves at $30\,\text{m s}^{-1}$ in the opposite direction. How long was the ball in contact with the bat?

  • A$0.0004\,\text{s}$
  • B$0.00089\,\text{s}$
  • C$0.0044\,\text{s}$
  • D$0.015\,\text{s}$

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