A particle is moving with a constant speed u along the curve y = sinx then acceleration of particle at the point x = 1/2 is b) 2 / 2 c) v2u2 d)u 2
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Ans 3.The hare is refered to as nimble because it is swift and can move quickly.
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The surface of metallic lead is protected by a thin layer of lead oxide PbO. This renders the lead essentially insoluble in sulfuric acid. Lead reacts slowly with hydrochloric acid and nitric acid.
7576th century
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