Physics 9702 · AS & A Level · Energy conservation

Energy conservation — practice question

A vehicle with mass $1000\,\text{kg}$ has kinetic energy of $4.5 \times 10^5\,\text{J}$. A constant braking force of $6000\,\text{N}$ brings it to rest. What stopping distance does it have?

  • A$37\,\text{m}$
  • B$75\,\text{m}$
  • C$150\,\text{m}$
  • D$300\,\text{m}$

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