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Cambridge Secondary (7-9). Stage 8. Science. Learner's Book - Unit 3: Forces and energy - Question 149

Cambridge Secondary (7-9) · Unit 3: Forces and energy

Question 149

Which of these is the standard unit of speed used by scientists? Write one letter.
  1. km/h
  2. m/s
  3. N/cm²
  4. N m
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