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Standard IX
Physics
Time and Speed
Question

A boy cycles a distance of 640 m in 2 minutes and 40 seconds. What is the speed of the cycle?
  1. 4 m/s
  2. 12 m/s
  3. 8 m/s
  4. 16 m/s

A
16 m/s
B
4 m/s
C
12 m/s
D
8 m/s
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Solution
Verified by Toppr

Distance covered = 640 m
Time taken = 2 min 40 sec
= 2 ×60+40=160s (because 1 minute =60seconds)
∴Speed=DistanceTime=640160=4m/s

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