You visited us 3 times! Enjoying our articles? Unlock Full Access!

Average and Instaneous Power

A man weighin...

Question

A man weighing 60 kg climbs up a staircase carrying a load of 20 kg on his head.The staircase has 20 steps each of ht 0.2 m. If he takes 10 s to climb. Find his power.

Open in App

Solution

Total work done by man in covering 20 steps =mgh=80×10×0.2×20=3200J

So, Power(P) = $\frac{W o r k d o n e}{T i m e t a k e n} = \frac{3200}{10} = 320 W a t t$

Suggest Corrections

Similar questions

60 k g

20 k g

20

0.2 m

10 s

80

20

40

25

20

80 k g

20 / k g

40

25 c m

20 s e c o n d s

g = 10 m / s^{2}

80 k g

25 k g

25

20 c m

15 s

g = 9.8 m / s^{2}) (343 W)

\begin{matrix} A man weighing 80 k g climbs a staircase carrying a 20 k g load. The staircase has 40 steps, each of 25 c m height. If he takes 20 seconds to climb, the work done is \end{matrix}

Join BYJU'S Learning Program