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2 Motion and forces

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Question 142
H

A car has a thinking distance of 10 m and a braking distance of 20 m at speed vvv. Its speed increases to 1.5v 1.5v\,1.5v and the driver’s reaction time doubles. The car’s mass and braking force are unchanged. What is the new stopping distance?

[1]
A

75 m75\ \mathrm{m}75 m

B

45 m45\ \mathrm{m}45 m

C

60 m60\ \mathrm{m}60 m

D

90 m90\ \mathrm{m}90 m

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2 Motion and forces Questions

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

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