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2 Motion and forces

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Question 21

A motorboat of mass 900 kg speeds up uniformly from 4.0 m s−14.0\ \mathrm{m\,s^{-1}}4.0 ms−1 to 10.0 m s−110.0\ \mathrm{m\,s^{-1}}10.0 ms−1 in 5.0 s. The total resistive force acting on the boat is 420 N.

Calculate the forward force provided by the boat's engine.

[3]
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2 Motion and forces Questions

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

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