MyQuestionIcon

1

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

Potential Energy

A boy weighin...

Question

A boy weighing 40 kg and is at a height of 200m.Calculate the amount of work done by him?How much potential energy does he gain?

Open in App

Solution

Dear student
$W o r k d o n e b y m a n i s s t o r e d i n t h e f o r m o f p o t e n t i a l e n e r g y s o b o t h a r e e q u a l t o m g h U = m g h = 40 \times 9.8 \times 200 = 78400 j o u l e R e g a r d s$

Suggest Corrections

thumbs-up

0

Similar questions

Q. A boy weighing

50 k g

climbs up a vertical height of

100 m

. Calculate the amount of work done by him. How much potential energy does he gain (

g = 9.8 m / s^{2}

Q. A boy of mass

50 k g

climbs up a vertical height of

100 m

. Calculate the amount of potential energy he gains.

Q. A boy of mas 40 kg climbs up 18 steps, each of height 20 cm.Calculate the change in his potential energy

Arjun weighing 50 kg start climbing a rope.He takes 10 s to reach a height of 8m.

a)What is work done by him?

b)At what rate does he do this work

Q. A boy weighing

40 k g

makes a high jump of

1.5 m

vertically upwards.
(i) What is his kinetic energy at the highest point?
(ii) What is his potential energy at the highest point?

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