A train covers 1000 km in 4 hour. Find its speed in m/s.
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1000 km in4hour
1000 × 1000in 4 ×60×60
1000000 m /1440 sec
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Explanation:
1000km in 4 hrs
1000x1000 4×60×60
100000 /14400
69.444444444444444
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