MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Work

Raja weighing...

Question

Raja weighing 40kg climbs up a staircase of 20 steps, each of 16 cm height, in 20s. Find the power generated by Raja.

Open in App

Solution

Power $= \frac{w o r k}{t i m e} = \frac{m g h}{t i m e}$
$= \frac{40 \times 10 \times 20 \times 16 \times 10^{- 2}}{20}$ $= 64 W$

Suggest Corrections

thumbs-up

0

Similar questions

Q. A man weighing

80

kg climbs a staircase carrying a

20

kg load. The staircase has

40

25

cm height. If he takes

20

seconds to climb, the work done is?

Q. 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.

Q. A man weighing

60 k g

climbs up a staircase carrying a load of

20 k g

on his head. The stair case has

20

steps each of height

0.2 m

10 s

to climb, find his power.

Q. A man weighing

80 k g

climbs a staircase carrying a

20 / k g

load. The staircase has

40

25 c m

height. If he takes

20 s e c o n d s

to climb, the work done is (Take

g = 10 m / s^{2}

Q. A man weighing

70

kg climb staircase with a speed of

10

steps/min.If the height of each step is

20

cm, the power consumed is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Work Done

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon