Question

The position of a particle is r(t)=0.05t^5mi_(0.2t^3+5)mj. Determine the position of the particle at t=3s

Answer 1

Answer:r(t=3) = (12.15, -10.4)

Explanation:

At x-component

r(t=3) = 0.05*3^5 = 12.15

At y-component

r(t=3) = -(0.2*3^3+5) = -10.4