A63 kg object needs to be lifted 7 meters in a matter of 5 seconds. approximately how much horsepower is required to achieve this task? a. 0.59 hp b. 864.36 hp c. 441 hp d. 1.16 hp

1.16 horse power is required to achieve this task.

Explanation:

It is given that,

Mass of the object, m = 63 kg

It is lifted to a height of, h = 7 m

Time taken, t = 5 s

Work done per unit time is called power required to achieve any task. Mathematically, it is given by :

P = 864.36 Watts

Since, 1 horse power = 746 watts

So, P = 1.159 hp

or

P = 1.16 hp

So, 1.16 horse power is required to achieve this task. Hence, the correct option is (d).

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