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Introduction to gravitational potential ...
Introduction to gravitational potential energy
6 Mins
Physics
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REVISE WITH CONCEPTS
Gravitational Potential Energy
Example
Definitions
Formulaes
>
Gravitational Potential Energy- Medium
Example
Definitions
Formulaes
>
QUICK SUMMARY WITH STORIES
Introduction to Gravitational Potential
3 mins
Gravitational Potential due to Point Mass
2 mins
Gravitational Potential Energy
2 mins
Important Questions
If the kinetic energy of a body is increased by 300%, its momentum will increase by
Medium
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Certain force acting on a
$20kg$
mass changes its velocity from
$5ms_{−1}$
to
$2ms_{−1}$
. Calculate the work done by the force.
Medium
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>
The kinetic energy of an object of mass m, moving with a velocity of
$5ms_{−1}$
is 25 J. What will be its kinetic energy when its velocity is tripled?
Medium
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A ball whose kinetic energy is E, is thrown at an angle of
$45_{o}$
with the horizontal, its kinetic energy at the highest point of its flight will be?
Hard
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>
Calculate the work required to be done to stop a car of
$1500kg$
moving at the velocity of
$60km/h$
?
Medium
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If the linear momentum of a body is increased by 50 %, the Kinetic energy will be increased by
Medium
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Derive the formula for kinetic energy.
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A running man has half the kinetic energy of that of a boy of half of his mass. The man speeds up by
$1m/s$
, so that he has same kinetic energy as that of the boy. The original speed of the man is?
Medium
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A charged particle of mass m and charge q is released from rest in an electric field of constant magnitude E. The kinetic energy of the particle after time t is
Easy
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A body of mass 5 kg is moving with a momentum of 10 kg m/s. A force of 0.2 N acts on it in the direction of motion of the body for 10 sec. Find the increase in its kinetic energy.
Medium
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