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7.1 Work done

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Question 21
H

A car of mass 1200 kg speeds up from 10 m/s to 20 m/s.

What is the increase in the kinetic energy of the car?

[1]
A

6000 J6000\ \text{J}6000 J

B

60 000 J60\,000\ \text{J}60000 J

C

180 000 J180\,000\ \text{J}180000 J

D

240 000 J240\,000\ \text{J}240000 J

Markscheme

7.1 Work done Questions

  1. GCSE
  2. /Physics
  3. /7.1 Work done

44 exam-style questions on OCR GCSE Physics 7.1 Work done, covering 7.1.1 Conservation of energy in a closed system, 7.1.2 Energy stores and transfers, 7.1.3 Energy changes by heating, forces and current, 7.1.4 Quantifying energy transfers in a system, and 7.1.5 Kinetic, elastic and gravitational potential energy. Each one has a worked solution and a mark scheme showing where the marks go.

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