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2 Motion and forces

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Question 105
F

A car of mass 1000 kg is travelling at 12 m/s. A constant braking force of 3000 N brings it to rest. Use Ek=12mv2\displaystyle E_k=\frac{1}{2}mv^2Ek​=21​mv2 and W=FdW=FdW=Fd. What is the braking distance?

[1]
A

2 m2\ \mathrm{m}2 m

B

48 m48\ \mathrm{m}48 m

C

24 m24\ \mathrm{m}24 m

D

72 m72\ \mathrm{m}72 m

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2 Motion and forces Questions

  1. GCSE
  2. /Physics
  3. /2 Motion and forces

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