what is kinetic energy
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In physics, the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body when decelerating from its current speed to a state of rest.
Kinetic energy
The cars of a roller coaster reach their maximum kinetic energy when at the bottom of the path. When they start rising, the kinetic energy begins to be converted to gravitational potential energy. The sum of kinetic and potential energy in the system remains constant, ignoring losses to friction.
Common symbols
KE, Ek, or T SI unit joule (J)
Derivations from
other quantities
Ek = ½mv2
Ek = Et+Er
In classical mechanics, the kinetic energy of a non-rotating object of mass m traveling at a speed v is 1/2mv^2
In relativistic mechanics, this is a good approximation only when v is much less than the speed of light.
The standard unit of kinetic energy is the joule.
Hope it helps you......
In physics, the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body when decelerating from its current speed to a state of rest.
Kinetic energy
The cars of a roller coaster reach their maximum kinetic energy when at the bottom of the path. When they start rising, the kinetic energy begins to be converted to gravitational potential energy. The sum of kinetic and potential energy in the system remains constant, ignoring losses to friction.
Common symbols
KE, Ek, or T SI unit joule (J)
Derivations from
other quantities
Ek = ½mv2
Ek = Et+Er
In classical mechanics, the kinetic energy of a non-rotating object of mass m traveling at a speed v is 1/2mv^2
In relativistic mechanics, this is a good approximation only when v is much less than the speed of light.
The standard unit of kinetic energy is the joule.
Hope it helps you......
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Answered by
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Answer:
Kinetic Energy:- It is the energy possessed by the body by the virtue of its motion. It is measured in joules.
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