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CBSE Class 10 Answered

for a body travelling with uniform motion acceleration its final velocity =square root of 180 minus 7 x end root,where x is the distance travelled by the body.then find the accceleration .
Asked by apurva151 | 22 Aug, 2015, 04:16: PM
answered-by-expert Expert Answer
Given that
begin mathsize 12px style straight v space equals square root of 180 minus 7 straight x end root Or comma space straight v to the power of 2 space end exponent equals 180 minus 7 straight x space space minus negative left parenthesis Equation space 1 right parenthesis But comma space Acceleration equals dv over dt equals straight a Differentiating space equation space left parenthesis 1 right parenthesis comma space we space get 2 dv over dt equals negative 7 Or comma space 2 straight a equals negative 7 straight a equals negative 3.5 straight m divided by straight s squared end style
Answered by Yashvanti Jain | 20 Dec, 2017, 07:30: PM

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