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7.1 Work done

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Question 7
F

A tennis ball of mass 60 g travels at a speed of 20 m/s.

Use the equation: kinetic energy=0.5×mass×(speed)2\text{kinetic energy} = 0.5 \times \text{mass} \times (\text{speed})^2kinetic energy=0.5×mass×(speed)2

What is the kinetic energy of the ball?

[1]
A

0.6 J0.6\ \text{J}0.6 J

B

1.2 J1.2\ \text{J}1.2 J

C

12 J12\ \text{J}12 J

D

12 000 J12\,000\ \text{J}12000 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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