|
Given below are examples of some potential energy functions in one dimension
|
|
1
|
1984
|
August 18, 2016
|
|
Derive a relation for an inelastic collision in one dimension
|
|
0
|
10723
|
August 18, 2016
|
|
Prove that coefficient of restitution/resilience of perfectly elastic collision in one dimension is unity
|
|
0
|
9114
|
August 18, 2016
|
|
The figure here shows a smooth 'looping-the-loop' track
|
|
1
|
3069
|
August 18, 2016
|
|
A and B are two particles having the same, mass tn. A is moving along x-axis with a speed of 10 n${{m}^{-1}}$, and B is at rest. After undergoing a perfectly elastic collision, with B, particle A gets scattered through an angle of 30°
|
|
1
|
3278
|
August 18, 2016
|
|
A particle, of mass 150 g, is attached to one end of a massless, inextensible string. It is made to describe a vertical circle of radius 1 m
|
|
1
|
1561
|
August 18, 2016
|
|
In a nerve impulse, about a 10 neutrons are fired. If energy associated with discharge of a single neutron is 10${{10}_{-10}}$ J, estimate the energy used
|
|
0
|
986
|
August 18, 2016
|
|
Chemical, gravitational and nuclear energies are nothing but potential energies for different types of forces in nature. Explain this statement
|
|
0
|
1402
|
August 18, 2016
|
|
Two protons are brought towards each other. Will die potential energy of the system decrease or increase ? If a proton and an electron be brought nearer, then?
|
|
0
|
6561
|
August 18, 2016
|
|
Prove the relation between kinetic energy and linear momentum
|
|
0
|
6081
|
August 18, 2016
|
|
Find expression for final velocities when two bodies of same mass m have head on collision when moving in opposite directions with equal speeds
|
|
0
|
2526
|
August 18, 2016
|
|
A molecule in a gas container hits a horizontal wall with speed 200 ms'1 and angle 30° with the normal and rebounds with the same speed. Is momentum conserved in the collision ? Is the collision elastic or inelastic?
|
|
0
|
4197
|
August 18, 2016
|
|
What is coefficient of restitution ? Give its values for elastic collision, inelastic collision and perfectly inelastic collisions
|
|
0
|
10817
|
August 18, 2016
|
|
A light body and a heavy body have same linear momentum. Which one has greater K.E.?
|
|
0
|
4739
|
August 18, 2016
|
|
Prove work energy theorem for a variable force
|
|
0
|
31706
|
August 18, 2016
|
|
Give two points of difference between elastic and inelastic collisions. Two balls A and B with A in motion initially and B at rest Find their velocities after collision elastic. Each ball is of mass'm'
|
|
1
|
4099
|
August 18, 2016
|
|
A block initially at rest breaks into two parts of masses in the ratio 2 : 3. The velocity of smaller part is (8i + 6 j) m/s. Find the velocity of bigger part
|
|
0
|
3726
|
August 18, 2016
|
|
A body of mass m is released in vacuum from the position A at a height H above the ground
|
|
1
|
2371
|
August 18, 2016
|
|
State and derive work- energy relationship
|
|
0
|
1952
|
August 18, 2016
|
|
A bucket, containing 4 kg of water, is tied to a rope of length 2.5 m and rotated in a vertical circle in such a way that the water in it just does not spill over when die bucket is in its 'upside down' position
|
|
1
|
2774
|
August 18, 2016
|
|
A small stone, of mass 0.2 kg, tied to a massless, inextensible string, is rotated in a vertical circle of radius 2 m
|
|
1
|
4347
|
August 18, 2016
|
|
The bob of a pendulum is released from a horizontal position A as shown in figure
|
|
1
|
10028
|
August 18, 2016
|
|
The bob A of" a pendulum released from 30° to the vertical hits another bob B of the same mass at rest on a table as shown in figure given below
|
|
1
|
3074
|
August 18, 2016
|
|
Two identical balls bearings in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with a speed v
|
|
1
|
4219
|
August 18, 2016
|
|
Is momentum conserved in the collision
|
|
1
|
581
|
August 18, 2016
|
|
A rain drop of radius 2 mm falls from a height of 500 m dbove the ground
|
|
1
|
4559
|
August 18, 2016
|
|
State if each of the following statements is true or false. Give reasons for your answer
|
|
1
|
1003
|
August 18, 2016
|
|
Show that a particlenof total energy 1J moving
|
|
1
|
559
|
August 18, 2016
|
|
A football kicked by a player leaves the ground and after travelling in air reaches the ground and comes to stop at some other position on the ground. Identify the energy transformation in this process. Is energy of the ball conserved?
|
|
0
|
978
|
August 18, 2016
|
|
A body is heated by giving amount of heat energy ? Will its mass increase or decrease or remain constant ? If it increases or decreases, then by how much?
|
|
0
|
613
|
August 18, 2016
|