Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged work and energy
+2
votes
0
answers
A person can jump 1.2 m on Earth. How high can he jump on a planet whose density is 1/3rd and radius is 4 times that of Earth,
asked
Apr 7, 2019
in
JEE
by
kratos
gravitation
class-11
jee mains
jee
cbse
work and energy
+1
vote
1
answer
Explain the term work.
asked
Apr 5, 2019
in
Class 9
by
kratos
class-9
work and energy
cbse
+3
votes
1
answer
Is there any work done on a body in uniform circular motion? Justify your answer
asked
Apr 4, 2019
in
Class 9
by
kratos
class-9
work and energy
cbse
+3
votes
1
answer
One end of a spring of natural length h and spring constant k is fixed at the ground and
asked
Apr 2, 2019
in
Class 12
by
kratos
class-11
class-12
work and energy
+3
votes
1
answer
In each of the following a force, F is acting on an object of mass, m. The direction of displacement is from west to east shown by the longer arrow
asked
Mar 28, 2019
in
Class 9
by
kratos
class-9
work and energy
cbse
+3
votes
1
answer
The work done by kinetic friction on a body :
asked
Mar 25, 2019
in
JEE
by
kratos
work
cbse
work energy and power
class-11
mechanics
jee
work and energy
energy and power
jee mains
+2
votes
1
answer
A simple pendulum of length L having a bob of mass m is deflected from its rest position by
asked
Mar 24, 2019
in
Class 12
by
kratos
rotational motion
neet
circular motion
oscillations
class-11
jee
work and energy
simple harmonic motions
motion in two dimension
jee mains
+2
votes
1
answer
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
asked
Mar 24, 2019
in
Class 10
by
kratos
class-8
work energy and power
energy
work and energy
class-9
class-10
icse
class-7
+2
votes
1
answer
A ball of mass 0.2kg is thrown
asked
Mar 24, 2019
in
JEE
by
kratos
jee
work and energy
class-9
centre of mass
jee mains
laws of motion
+1
vote
1
answer
A room is heated with a 1500 W electric heater. How much power can be saved if a heat pump with a COP of 2.0
asked
Mar 22, 2019
in
Class 9
by
kratos
cbse
work and energy
thermodynamics
class-9
the second law of thermodynamics
rates or fluxes of entropy
+1
vote
1
answer
A box is pushed through 4.0 m across a floor offering 100 N resistance.
asked
Mar 21, 2019
in
Class 12
by
kratos
neet
cbse
class-11
aiims
work and energy
jee
jee mains
+2
votes
1
answer
A block of mass 100 g is moved with a speed of 5.0 m/* at the highest point in a closed circular tube of radius 10
asked
Mar 21, 2019
in
Class 11
by
kratos
class-9
class-11
work and energy
cbse
+1
vote
1
answer
A block is placed on an inclined plane and has to be pushed down. The angle of inclination of the plane is:
asked
Mar 21, 2019
in
JEE
by
kratos
class-11
jee
work and energy
rotational mechanics
jee mains
class-12
+3
votes
1
answer
Consider two observers moving with respect to each other at a speed v along a straight line,
asked
Mar 20, 2019
in
JEE
by
kratos
jee mains 2019
class-11
work and energy
cbse
+1
vote
1
answer
Water is falling on the blades of a turbine at the rate of 8 × 10^2 kg per minute, height of fall is 50 m. Calculate the power given to turbine.
asked
Mar 18, 2019
in
JEE
by
kratos
cbse
class-11
jee
work and energy
class-10
jee mains
sources of energy
+1
vote
1
answer
Write SI unit of power.
asked
Mar 16, 2019
in
Class 9
by
kratos
class-9
work and energy
cbse
+3
votes
1
answer
When you push your bicycle up on an incline the potential energy of the bicycle and yourself increases.
asked
Mar 15, 2019
in
Class 11
by
kratos
class-9
class-11
work and energy
cbse
+3
votes
1
answer
The weight of a person on a planet A is about half that on the earth. He can jump upto 0.4 m height on the surface of the earth.
asked
Mar 15, 2019
in
JEE
by
kratos
cbse
class-11
jee
work and energy
jee mains
gravitation
+1
vote
1
answer
The kinetic energy of a particle continuously increases with time,
asked
Mar 14, 2019
in
Class 12
by
kratos
class-12
class-11
work and energy
cbse
+1
vote
1
answer
The 200 m free style *****'* swimming gold medal at Seol Olympic 1988 went to Heike Friendrich of East
asked
Mar 14, 2019
in
Class 11
by
kratos
cbse
csat
class-11
my greatest olympic prize
work and energy
class-9
class-10
sports & games
To see more, click for the
full list of questions
or
popular tags
.