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2 Motion and forces

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Question 147
H

A walker travels 900 m uphill at an average speed of 1.5 m/s. She rests for 2.0 minutes, then returns along the same route at an average speed of 3.0 m/s.

What is her average speed for the whole journey, including the rest?

[1]
A

1.8 m/s1.8\ \mathrm{m/s}1.8 m/s

B

0.88 m/s0.88\ \mathrm{m/s}0.88 m/s

C

2.0 m/s2.0\ \mathrm{m/s}2.0 m/s

D

2.3 m/s2.3\ \mathrm{m/s}2.3 m/s

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2 Motion and forces Questions

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

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