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Class 7
Chapter 8 Class 7 - Measurement of Time and Motion (Curiosity)

8.3.1 Relationship Between Speed, Distance, and Time

Last updated at May 4, 2026 by

The basic speed formula can be rearranged to find distance or time.

Speed - Distance - Time Formulas TO FIND SPEED Speed = Distance ÷ Time Use when distance and time are known TO FIND DISTANCE Distance = Speed × Time Use when speed and time are known TO FIND TIME Time = Distance ÷ Speed Use when distance and speed are known

The three forms of the formula are:

  • To find speed
    Speed = Total distance covered ÷ Total time taken
  • To find distance
    Total distance covered = Speed × Total time taken
  • To find time
    Total time taken = Total distance covered ÷ Speed

📋 NCERT Question 3

A train travels at a speed of 25 m/s and covers a distance of 360 km. How much time does it take?
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📋 NCERT Question 4

A train travels 180 km in 3 h. Find its speed in (i) km/h, (ii) m/s, (iii) What distance will it travel in 4 h if it maintains the same speed throughout the journey?
View Answer →
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