What is the unit tangent and unit normal vectors

Reference no: EM131015108

1. Use the acceleration vector a(t) = 3i - 4j, v(0) = i + j, r(0) = k to find the velocity and position. Find the position at t = 2.

2. Find the unit tangent and unit normal vectors: r(t) = (2 - 3t)i + t²j + 2tk.

Reference no: EM131015108

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