The displacement of a body at any time t after starting is given by s = 15t – 0.4t^2. Find the time when the velocity of the body will be 7 ms^-1.

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The displacement of a body at any time t after starting is given by s = 15t – 0.4t^2. Find the time when the velocity of the body will be 7 ms^-1.
16
Sep
The displacement of a body at any time t after starting is given by s = 15t – 0.4t^2. Find the time when the velocity of the body will be 7 ms^-1. The displacement of a body at any time t after starting is given by s = 15t - 0.4t^2. Find the time when [...]
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