Answers

2014-05-05T11:33:34+05:30
Well u can use bernoulli theorem for this case

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2014-05-05T12:10:21+05:30
Bernoulli Theorems cos  At the time the very idea of energy was vague; what we call kinetic energy was termed “live energy” and the factor 1/2 was missing in it. 
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