Question: Solve all of it please Problem 4. This problem has two independent parts. a) (5 points ) Let r(t)=(1,t2,t3). Find the unit tangent vector T(t)

Solve all of it please

Problem 4. This problem has two independent parts. a) (5 points ) Let r(t)=(1,t2,t3). Find the unit tangent vector T(t) at t=1. T(1)= b) (4 points) The position vector of a moving object at time t is given by r(t)=(t,cost,sint). At time t, find the object's (A) velocity, (B) speed, (C) acceleration

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