2. A boy travels with an average speed of 10 m/s " for 20 min. How much
distance does he travel?
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Explanation:
average speed of boy =10ms-1
time taken= 20 min
distance travelled= speed ×time
convert minute into second
1 min = 60 sec
20 min = 20×60= 1200sec
distance travelled = 10ms-1 × 1200sec
12000m or 12 km
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