At time t seconds, the center of a bobbing cork is y=4sint centimeters above (or below) water level.
What is the velocity of the cork at t = 0, π/2, π
2 answers
just kidding, I figured it out! It's -4, 0, and 4
velocity=p'=4cost
at t=0, v=4
at t=PI/2, v=0
at t=PI, -4
at t=0, v=4
at t=PI/2, v=0
at t=PI, -4