Crall and Whipple attached a fan to a cart placed on a level track and then released the cart. They made a position-versus-time graph (see figure below) and fit a curve to these data such that

Question

x = 0.036 m + (0.0080 m/s)t + (0.10 m/s2)t2.

(a) Find the velocity as a function of time. (Use the following as necessary: t. Do not enter units in your answer.)

Answer 1

v = dx/dt = 0.0080 + 0.20t