A point moves along a circle with position vector given by r(t) = a)Express a(t) as a combination of r(t) and v(t), for t 0.

A point moves along a circle with position vector given by r(t) = 2 , sin t ² >

a)Express a(t) as a combination of r(t) and v(t), for t 0.

b)Compute the unit tangent vector T(t) and unit normal vector N(t) for t 0.

c)Find the tangential and normal components of the acceleration vector a(t).