Physics 9702 · AS & A Level · Momentum and Newton's laws of motion

Momentum and Newton's laws of motion — practice question

A car with mass $1200\,\text{kg}$ has momentum $18\,000\,\text{kg m s}^{-1}$. What is the car’s kinetic energy?

  • A$4.65\,\text{kJ}$
  • B$6.57\,\text{kJ}$
  • C$135\,\text{kJ}$
  • D$270\,\text{kJ}$

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