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(Q1)define the following terms and write their units (both SI and CGS).
(a) kinetic energy
ans.
Answers
answer
In physics, the kinetic energy (KE) 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. Joule is the SI unit of Kinetic energy. erg is the CGS unit of Kinetic energy.
Explanation:
Kinetic energy is energy possessed by an object in motion. ... If the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared. Kinetic energy is usually measured in units of Joules (J); one Joule is equal to 1 kg m2 / s2.