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2 Motion and forces

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Question 168
H

A van of mass 1600 kg travels at 72 km/h. Its speed remains constant for a reaction time of 0.80 s, then it slows uniformly to rest in 4.0 s. Use 1 m/s=3.6 km/h1\ \mathrm{m/s}=3.6\ \mathrm{km/h}1 m/s=3.6 km/h. What are the stopping distance and the magnitude of the resultant force during braking?

[1]
A

96 m96\ \mathrm{m}96 m and 8000 N8000\ \mathrm{N}8000 N

B

56 m56\ \mathrm{m}56 m and 6400 N6400\ \mathrm{N}6400 N

C

56 m56\ \mathrm{m}56 m and 8000 N8000\ \mathrm{N}8000 N

D

96 m96\ \mathrm{m}96 m and 6400 N6400\ \mathrm{N}6400 N

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2 Motion and forces Questions

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

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