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The path r(t) = (t)i +(4t 2 -7)j describes motion on the parabola y=4x 2 -7.Find the particles velocity and acceleration vectors at t=1, and

The path r(t) = (t)i +(4t²-7)j describes motion on the parabola y=4x²-7.Find the particles velocity and acceleration vectors at t=1, and sketch tem as vectors on the curve.

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