If X (t) = cos(−4 t) I + sin(−4 t) J + 3 t K, compute:

A. The velocity vector v (t) = ??? I + ??? J + ??? K

B. The acceleration vector a (t) = ??? I + ?? J + ??? K

Note: the coefficients in your answers must be entered in the form of expressions in the variable \emph{t}; e.g. "5 cos(2t)"

Question

If X (t) = cos(−4 t) I + sin(−4 t) J + 3 t K, compute:

A. The velocity vector v (t) = ??? I + ??? J + ??? K

B. The acceleration vector a (t) = ??? I + ?? J + ??? K

Note: the coefficients in your answers must be entered in the form of expressions in the variable \emph{t}; e.g. "5 cos(2t)"

anonymous · Answer

A. derive the original equation

anonymous · Answer

A

sriram · Answer

a
4sin4t i -4cos4t j+3k

anonymous · Answer

so B is the derivative of each one !? BTW thanks to all