Physics 9702 · AS & A Level · Gravitational potential energy and kinetic energy

Gravitational potential energy and kinetic energy — practice question

Car $P$ has kinetic energy $240\text{ kJ}$. Car $Q$ has half the mass and twice the speed of car $P$. What is the kinetic energy of car $Q$?

  • A$120\text{ kJ}$
  • B$240\text{ kJ}$
  • C$480\text{ kJ}$
  • D$960\text{ kJ}$

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