genyjoannerubiera
16.10.2020 •
Physics
The speed of a fishing boat is 15 km/hr. How far will the boat travel in 6 hours?
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Ответ:
Energy per unit of time is known as power
so here let say initial power is P in which energy E expended in time interval t
so we can say
now energy expended is double while it took half time
so new power expended will be
so here we can say that now the power expended will be 4 times the initial power