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Recent questions tagged collision
+2
votes
1
answer
Figure (9-E11) shows a small block of mass m which is started
asked
Mar 29, 2019
in
Class 11
by
kratos
linear momentum
centre of mass
collision
class-11
+3
votes
1
answer
A block moving in air breaks in two parts and the parts separate (a) the total momentum must be conserved
asked
Mar 24, 2019
in
Class 12
by
kratos
class-11
centre of mass
collision
linear momentum
class-12
+1
vote
1
answer
A bullet of mass m travelling with speed v hits a disc of mass M and radius R as shown and gets stuck to it. The angular velocity
asked
Mar 20, 2019
in
JEE
by
kratos
work
irodov
momentum
class-11
jee
energy and power
centre of mass
collision
class-12
laws of conservation of energy
jee mains
linear momentum
laws of motion
+1
vote
1
answer
A railroad car of mass M is at rest on frictionless rails when a man of mass m starts moving
asked
Mar 19, 2019
in
Class 11
by
kratos
linear momentum
centre of mass
collision
class-11
+3
votes
1
answer
State the Acceleration of centre of mass.
asked
Mar 10, 2019
in
JEE
by
kratos
jee
centre of mass
collision
jee mains
linear momentum
class-12
+2
votes
1
answer
Consider the following two statements : (A) The linear momentum of a particle is independent of the frame of reference.
asked
Mar 8, 2019
in
Class 12
by
kratos
class-11
centre of mass
collision
linear momentum
class-12
+3
votes
1
answer
In the figure shown a **** of radius 2 cm is made in a semicircular disc of radius 6π at a distance 8 cm
asked
Mar 5, 2019
in
JEE
by
kratos
class-11
jee
centre of mass
collision
jee mains
linear momentum
+3
votes
1
answer
A man of mass m1 is standing on platform of mass m2 kept on a smooth horizontal surface.
asked
Feb 24, 2019
in
JEE
by
kratos
cbse
class-11
jee
centre of mass
collision
jee mains
linear momentum
class-12
+3
votes
1
answer
The resultant force on a system of particles is zero. (A) The centre of mass of the system must be at rest.
asked
Feb 22, 2019
in
JEE
by
kratos
class-11
jee
magnetic field
centre of mass
collision
class-12
jee mains
linear momentum
laws of motion
+2
votes
1
answer
Use the definition of linear pomentum from the previous question. Can we state the principle of conservation of linear pomentum for a single particle?
asked
Feb 22, 2019
in
Class 11
by
kratos
cbse
class-11
centre of mass
collision
linear momentum
+2
votes
1
answer
A bird is held in a light container which is completely closed. Can we tell when the bird is resting or flying by weighing the container ?
asked
Feb 22, 2019
in
JEE
by
kratos
cbse
class-11
jee
centre of mass
collision
jee mains
linear momentum
class-12
+1
vote
1
answer
A block of mass m is placed on a triangular block of mass M, which in turn is
asked
Feb 17, 2019
in
Class 11
by
kratos
linear momentum
centre of mass
collision
class-11
+1
vote
1
answer
A block at rest explodes into three equal parts. Two parts start moving
asked
Feb 16, 2019
in
Class 12
by
kratos
class-11
centre of mass
collision
linear momentum
class-12
+3
votes
1
answer
A nucleus moving with a velocity vector v emits an α-partid,
asked
Feb 15, 2019
in
Class 12
by
kratos
class-11
centre of mass
collision
linear momentum
class-12
+3
votes
1
answer
A ball falls on the ground from a height of 2.0 m and rebounds
asked
Feb 13, 2019
in
Class 12
by
kratos
class-11
centre of mass
collision
linear momentum
class-12
+2
votes
1
answer
A body A of mass M while falling vertically downwards under gravity breaks into two parts; a body B of mass 1/3 M and a body C of mass 2/3 M.
asked
Feb 13, 2019
in
JEE
by
kratos
rotational motion
work energy and power
class-11
jee
rotational motion and moment of inertia
centre of mass
collision
jee mains
linear momentum
class-12
+3
votes
1
answer
State the centre of mass of some rigid bodies.
asked
Feb 12, 2019
in
JEE
by
kratos
cbse
class-11
jee
centre of mass
collision
jee mains
linear momentum
class-12
+3
votes
1
answer
Which of the two persons shown in the figure (9-Q1) is more likely to fall down? Which external force is responsible for his falling down?
asked
Feb 11, 2019
in
Class 12
by
kratos
cbse
class-11
centre of mass
collision
linear momentum
class-12
+2
votes
1
answer
Assertion :the entire geographical area is called gamma diversity. Reason : Biodiversity decreases from high altitude to low altitude
asked
Feb 11, 2019
in
Physics
by
kratos
conservation
neet
class-8
biodiversity and conservation
class-11
centre of mass
class-10
pressure
force
icse
collision
linear momentum
class-12
nuclear physics
biodiversity
+3
votes
1
answer
A 60 kg man skating with a speed of 10 m/* collides with a 40 kg skater
asked
Feb 11, 2019
in
Class 12
by
kratos
class-11
centre of mass
collision
linear momentum
class-12
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