Question

Calculate the power of pump lifting 200 kg of water and storing it in a water tank of height 9 m in 2 min. ​

Answer 1

Answer:

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Answer 2

Given :-

• m  =200  kg
• h = 9  m
• t = 2min = 2× 60 = 120s

To find:-

• Power

Solution :-

Acceleration due to gravity, g  =  10 m/s

Therefore, using the formula,  

${\underline{\boxed{P = \sf\frac{Work \: done}{time \: taken}}}}$

$\sf \longrightarrow \: \frac{mgh}{t}$

$\sf \longrightarrow \: \frac{200 \times 10 \times 9}{120}$

$\star \: \sf \underline{ \: 150 \: watt}$