Question

यदि एक छात्र 20 किलोग्राम पानी सहित भरी बाल्टी को 30 मीटर गहरे कुएँ से 5 मिनट में खींचता है तो छात्र की शक्ति होगी- (g = 10 m/s²)

Answer 1

Hey !!!
_______________
Here is your answer
________________
We know that

P = W/T

Here ,W = mgh

so P = mgh /T

20×10×30/300

P = 20 W

Hope it helps you

Answer 2

The power of the student is 20 watts.

Explanation:

Given that,

Mass, m = 20 kg

It is moves 30 m deep in 5 minutes or 300 seconds.

To find,

Power of the student.

Solution,

The work done per unit time is called power of an object. It is given by :

$P=\dfrac{W}{t}$

$P=\dfrac{mgd}{t}$

$P=\dfrac{20\times 10\times 30}{300\ s}$

P = 20 Watts

So, the power of the student is 20 watts.

Learn more,

Kinematics

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