Physics (AS & A Level) · Oct / Nov 2018 · Paper 13 · Question 10
9702Momentum and Newton’s laws of motion
A ship of mass 8.4 × 10^7 kg is approaching a harbour with speed 16.4 m s–1. By using reverse thrust it can maintain a constant total stopping force of 920 000 N. How long will it take to stop?
- A15 seconds
- B150 seconds
- C25 minutes
- D250 minutes
As printed in the paper
Show the answer
Correct answer: C. 25 minutes
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