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Motion

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Question 31

A cyclist travels at a speed of 12 m/s for 15 s, and then at a speed of 8 m/s for 25 s.

Which calculation gives the average speed of the cyclist in m/s\text{m/s}m/s?

A

12+82\frac{12 + 8}{2}212+8​

B

(12×15)+(8×25)40\frac{(12 \times 15) + (8 \times 25)}{40}40(12×15)+(8×25)​

C

(12÷15)+(8÷25)40\frac{(12 \div 15) + (8 \div 25)}{40}40(12÷15)+(8÷25)​

D

(15÷12)+(25÷8)40\frac{(15 \div 12) + (25 \div 8)}{40}40(15÷12)+(25÷8)​

Markscheme

Motion Questions

  1. IGCSE
  2. /Physics
  3. /Motion

204 exam-style questions on CIE IGCSE Physics Motion, covering Motion. Each one has a worked solution and a mark scheme showing where the marks go.

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