Force between Charges
Trending Questions
- 512 J
- 396.7 J
- 258.3 J
- 612.5 J
Two paths lead to the top of a hill. The first path is short and steep. The second path is longer and steeper. The gain in potential energy is more for which path?
Path I
Path II
Same for both the paths
Data insufficient
- 0.4ms−1
- 0.5ms−1
- 0.2ms−1
- 0.3ms−1
- Em(M+m)
- EM(M+m)
- E(M+m)M
- E(M+m)m
- Kinetic - Potential - Electrical
- Potential - Kinetic - Electrical
- Kinetic - Chemical - Electrical
- Chemical - Potential - Kinetic
What would be the gravitational potential energy of an object whose mass is 1 kg and is at a height of 10 m?
50 J
49 J
10 J
98 J
A missile has been fired with an initial velocity u. If the velocity is tripled, what will be the corresponding change in its kinetic energy?
Remains same
Becomes one-third of the initial kinetic energy
Becomes thrice of the initial kinetic energy
Becomes nine times the initial kinetic energy
- Mass of the object
- Velocity of the object
- Shape of the object
- Position of the object
- True
- False
- Electrical energy
- Magnetic energy
- Heat energy
- Photon energy
Potential energy and kinetic energy are types of:
Mechanical energy
Thermal energy
Gravitational energy
Electrical energy
Which of the following statement is/are true for a freely falling body?
Potential energy and kinetic energy at any point during the free fall always remain constant.
Potential energy gets converted into kinetic energy progressively.
Sum of potential energy and kinetic energy at any point during the free fall remains constant.
Sum of potential energy and kinetic energy at any point during the free fall does not remain constant.
Potential energy possessed by an object of mass m and raised to a height 2h above the earth's surface is:
mgh/2
zero
mgh
2mgh
Potential energy is independent of:
- Position of the object.
- Shape of the object.
- Mass of the object.
- Path taken by the object.