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Work, energy and power

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Question 4

A medium-sized family car is travelling along a road at a speed of 20 m s-1.

What is a reasonable estimate for the kinetic energy of the car?

A

3×104 J3 \times 10^4\text{ J}3×104 J

B

3×105 J3 \times 10^5\text{ J}3×105 J

C

3×106 J3 \times 10^6\text{ J}3×106 J

D

3×107 J3 \times 10^7\text{ J}3×107 J

Markscheme

Work, energy and power Questions

  1. A Level
  2. /Physics
  3. /Work, energy and power

13 exam-style questions on OCR A A Level Physics Work, energy and power, covering Work and conservation of energy, Kinetic and potential energies, and Power. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank