What is the speed of a plane travels 400 m in 10 seconds
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Explanation:
50 m in 10 sec…. divide 50 by 10 to convert to metres per second = 5 m/s. Then multiply by 3.6 (3600 seconds in an hour divided by 1000) to convert to kilometres per hour =18 m/s. To convert to mph divide by 1.609 =11.18 mph.
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Speed= Distance/time taken
=400/10
=40
Speed=40J
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