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1.7 Energy, work and power

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Question 406

A delivery van is travelling at a speed of 5.0 m/s.

The kinetic energy stored in the van is 25 000 J25\,000\text{ J}25000 J.

What is the kinetic energy stored in the van when its speed increases to 15 m/s?

A

75 000 J75\,000\text{ J}75000 J

B

150 000 J150\,000\text{ J}150000 J

C

225 000 J225\,000\text{ J}225000 J

D

675 000 J675\,000\text{ J}675000 J

Markscheme

1.7 Energy, work and power Questions

  1. IGCSE
  2. /Physics
  3. /1.7 Energy, work and power

533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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