Lesson eLearning

An electric scooter covers a distance of 90 km in 3 hours. What is its average speed in km/h?

easy 1 mark Class 9 · Science · Motion
Answer
30 km/h

The correct answer is 30 km/h — 90 km ÷ 3 h = 30 km/h

Step-by-step solution

  1. Speed = distance ÷ time
  2. 90 km ÷ 3 h = 30 km/h
Common mistake: confusing average speed with instantaneous speed

Concept tested: average speed

Published · How this solution was prepared and checked

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