Question

solve this vectors equation......

Answer 1

velocity = dr/dt = 4t +3

acceleration = dv/dt = 4

magnitude = √16 t^2 = 8

Answer 2

i)derivatives of X^n=nX^n-1
so derivative of
velocity =dr/dt=4t+3m/s
acceleration =dv/dt=4
ii)velocity if time =2sec
=4t+3=4 (2)+3=11m/s