what do you mean by differentiating equation? how did you got 2dv/dt=-7

Asked by apurva151 | 22nd Aug, 2015, 07:39: PM

Expert Answer:

begin mathsize 12px style Acceleration equals straight a equals dv over dt equals dv over dx cross times dx over dt That space is comma space straight a equals straight v dv over dx space minus negative negative left parenthesis Equation space 1 right parenthesis We space have comma space straight v squared equals 180 minus 7 straight x Differentiating space straight w. straight r. straight t space straight x comma space we space get 2 straight v dv over dt equals negative 7 dx over dx straight v dv over dt equals fraction numerator negative 7 over denominator 2 end fraction From space equation space left parenthesis 1 right parenthesis comma space we space get space straight a equals straight v dv over dt equals fraction numerator negative 7 over denominator 2 end fraction equals negative 3.5 space straight m divided by straight s squared  end style 

Answered by Yashvanti Jain | 20th Dec, 2017, 08:01: PM

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