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1.7.4 Power

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Question 25

A vehicle is moving along a straight horizontal track. The vehicle has 2.4 MJ2.4\text{ MJ}2.4 MJ of kinetic energy. It then accelerates for 25 s until its kinetic energy increases to 3.8 MJ3.8\text{ MJ}3.8 MJ. What is the minimum average power developed by the vehicle's engine during this acceleration?

A

56 W56\text{ W}56 W

B

248 W248\text{ W}248 W

C

56 kW56\text{ kW}56 kW

D

248 kW248\text{ kW}248 kW

Markscheme

1.7.4 Power Questions

  1. IGCSE
  2. /Physics
  3. /1.7.4 Power

95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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