MyQuestionIcon

1

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

Potential Energy

A 20 kg objec...

Question

A 20 kg object is being lifted through a height of ______ m when 484 J of work is done on it.

Open in App

Solution

$m = 20 k g; h = ?$
$P E = m g h; h = \frac{484}{20 \times 9.8} = 2.469 m$

Suggest Corrections

thumbs-up

0

Similar questions

A 20 kg object is lifted through a height of ______ m when 784 J of work is done on it.

g = 9.8 m / s^{2}

]

Q. A man of mass 80 kg lifts up a work of 20 kg through 10 stairs each of height 0.5 m Find the work done.

Q. An object of mass

2 k g

is lifted vertically through a distance of

1.5 m

. The work done in process is

Calculate the work done in lifting 200kg of water through a vertical height 6meters

Q. As a builder lifts a 3.0 kg brick at a steady speed from the ground to a platform 2.0 meters high. How much work is done on the brick by the builder and by the earth while it is being lifted, and what is the net work done on the brick by all forces while it is being lifted?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Potential Energy

PHYSICS

Watch in App

explore_more_icon

Explore more

Potential Energy

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon