Newton's First Law of motion is a special case of Newton's Second Law of
motion (Deduction of Newton's first law of motion from Newton's second law of
motion)
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Photochemical reaction. Photochemical reactions are driven by light or near-visible electromagnetic radiation. ... To initiate a photochemical reaction, two requirements need to be met. First, the photon must have enough energy to initiate the photochemical reaction in the molecule.
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Answer:Newton second law states that the rate of change of momentum is directly proportional to netforce acting on a body.
so, Fnet=m(v-u)/t
F=ma
by this we can say the body is same state until external force acts on it so body is in state until net force (Fnet) act on it
Explanation:
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