A bowler throws a cricket ball at a speed of 36km/hr. How long does this ball take to travel a distance of 20 metres to reach the batsman?
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Step-by-step explanation:
solution
change speed into m/
= 36 *1000/3600
= 36*5/18
= 5*2
= 10 m/s
Now, time taken to travell 20 m at speed of 10m/s
= 20/10
= 2 second
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