Physics
The kinetic energy of a given body depends on the:
- position
- centre of gravity of body
- momentum
- displacement
Work, Energy & Power
ICSE Sp 2024
88 Likes
Answer
momentum
Reason — As kinetic energy = mv 2
If we multiply and divide by m then we get,
As mv = momentum (p), so
kinetic energy =
Therefore, kinetic energy of a given body depends on the momentum.
Answered By
33 Likes
Related Questions
A moment of couple has a tendency to rotate the body in an anticlockwise direction then that moment of couple is taken as:
- positive
- negative
- maximum
- zero
For burning of coal in a thermoelectric station, the energy conversion taking place is:
- chemical to heat to mechanical
- chemical to heat to mechanical to electrical
- chemical to heat to light
- heat to chemical to mechanical
Assertion: Infrared radiations travel long distances through dense fog and mist.
Reason: Infrared radiations undergoes minimal scattering in earth's atmosphere
- both assertion and reason are true.
- both assertion and reason are false.
- assertion is false but reason is true.
- assertion is true reason is false.
A nucleus of an atom consists of 146 neutrons and 95 protons. It decays after emitting an alpha particle. How many protons and neutrons are left in the nucleus after an alpha emission?
- protons = 93, neutrons = 144
- protons = 95, neutrons = 142
- protons = 89, neutrons = 144
- protons = 89, neutrons = 142