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Recent questions tagged work energy and power
+2
votes
1
answer
Two bodies with kinetic energies in the ratio of 4 : 1 are moving with equal linear
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
class- 11
work energy and power
10
class-10
icse
+2
votes
1
answer
Statement - I: In an elastic collision of two billiards *****, the kinetic energy is not conserved
asked
Apr 6, 2019
in
Class 12
by
kratos
work
neet
work energy and power
class-11
aiims
energy and power
+3
votes
1
answer
A particle moves in a circular path, 0.4 m in radius, with constant speed. If particle makes 5 revolutions in each second of its motion
asked
Apr 6, 2019
in
JEE
by
kratos
cbse
work energy and power
class-11
jee
motion in two dimension
force
jee mains
+1
vote
1
answer
A uniform cubical block of mass M is attached to a pulley. One end of a string, passing over the pulley is fixed to a light pole
asked
Apr 5, 2019
in
JEE
by
kratos
forces
work energy and power
class-11
jee
kinematics
simple harmonic motion
jee mains
+1
vote
1
answer
Two identical ball bearings in contact with each other and resting on a frictionless table are hit head-on by another
asked
Apr 5, 2019
in
Class 11
by
kratos
work
work energy and power
class-11
energy and power
+1
vote
1
answer
Give two examples of ************ forces.
asked
Apr 5, 2019
in
Class 12
by
kratos
work energy and power
class-11
aiims
neet
+1
vote
1
answer
If kinetic energy is doubled, then its momentum becomes n times, here n is :
asked
Apr 5, 2019
in
Class 12
by
kratos
work
neet
work energy and power
aiims
jee
energy and power
class-10
jee mains
+2
votes
1
answer
A perfectly smooth sphere of mass m1 moving with velocity v collides elastically with a similar but initially stationary sphere of mass m2 (m1 > m2)
asked
Apr 4, 2019
in
Physics
by
kratos
nuclear reactions
irodov
neet
momentum
work energy and power
jee
aiims
theory of relativity
laws of conservation of energy
jee mains
nuclear physics
+3
votes
1
answer
A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/*. The work done by
asked
Apr 3, 2019
in
JEE
by
kratos
work energy and power
jee
jee mains
kinematics
+3
votes
1
answer
A particle of unit mass undergoes one-dimensional motion such that its velocity varies according to v(x) = bx^–2n
asked
Apr 3, 2019
in
Class 12
by
kratos
work energy and power
work
jee mains
class-11
neet
jee main 2020
jee
motion in a straight line
energy and power
+2
votes
1
answer
Two bodies of masses m and 4m are moving with equal kinetic energies.
asked
Apr 2, 2019
in
Class 12
by
kratos
neet
class- 11
work energy and power
aiims
jee
class-10
icse
jee mains
+3
votes
1
answer
A particle moves in a straight line with retardation proportional to its displacement.
asked
Apr 2, 2019
in
JEE
by
kratos
work
forces
work energy and power
class-11
jee
energy and power
kinematics
jee mains
+2
votes
1
answer
An arrow is shot from a bow at an angle of 40 from the horizontal at a speed of 24.0 m/*.
asked
Apr 1, 2019
in
JEE
by
kratos
work
work energy and power
energy
jee
kinematics
energy and power
class-10
icse
force
power
jee mains
+3
votes
1
answer
Is linear momentum of a system always conserved?
asked
Apr 1, 2019
in
Class 12
by
kratos
neet
work energy and power
class-11
jee
aiims
+2
votes
1
answer
Statement-1 : Two particles moving in the same direction do not lose all their energy in a completely
asked
Apr 1, 2019
in
Physics
by
kratos
work
forces
quantum mechanics
work energy and power
class-11
jee
kinematics
centre of mass
jee mains
nuclear physics
+3
votes
1
answer
For two gases, A and B having molecular weight MA and MB , it is observed that at a certain temperature T,
asked
Apr 1, 2019
in
JEE
by
kratos
class- 11
cbse
jee main 2020
work energy and power
class-11
jee
jee mains
kinetic theory of gases
+1
vote
1
answer
A. Linear momentum of a system of particles is zero. B. Kinetic energy of a system of particles is zero. Then
asked
Apr 1, 2019
in
Class 12
by
kratos
class-11
work energy and power
neet
aiims
+3
votes
1
answer
A bullet of mass m strikes a block of mass M. The bullet ******* embedded in the block.
asked
Mar 31, 2019
in
JEE
by
kratos
work
force and laws of motion
collisions
work energy and power
class-11
jee
energy and power
class-9
jee mains
+1
vote
1
answer
Why is electrical power required at all when the elevator is descending? Why should there be a limit on the number of passengers in this case?
asked
Mar 30, 2019
in
Class 11
by
kratos
work
work energy and power
class-11
energy
energy and power
class-10
icse
power
+2
votes
1
answer
Consider the decay of a free neutron at rest: n → p+ e^– .Show that the two-body decay of this type
asked
Mar 29, 2019
in
JEE
by
kratos
work
work energy and power
class-11
jee
energy and power
jee mains
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