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Work, energy and power

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Question 8

A typical family car carrying passengers is travelling along a highway at a speed of 30 m s-1.

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

A

7×103 J7 \times 10^3\text{ J}7×103 J

B

7×105 J7 \times 10^5\text{ J}7×105 J

C

7×107 J7 \times 10^7\text{ J}7×107 J

D

7×109 J7 \times 10^9\text{ J}7×109 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