a child run at a speed of 10 meter per second. how much time will he take to cover a distance of 1 km?
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3
Answer:
Step-by-step explanation: The child runs 10m in one second. So, he runs 1m in 1/10 seconds. Since 1km=1000m, time taken is 1000 x (1/10) =100 seconds or 1 min 40 seconds.
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Answer: Speed = 10m/s
Distance = 1 km = 1×1000 = 1000m
Time = t
We know that
Speed = Distance/ Time
Speed × Time = Distance
Time = Distance/ Speed
Time = 1000/ 10
Time = 100 seconds or 1.66 minutes.
Hence it will take 100 seconds to complete 1km .
Step-by-step explanation:
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