A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its speed is 4 m/s. But 3 seconds later, at the bottom of the slope, its speed is 22 m/s. What is the car's acceleration?
1 Answer
Apr 20, 2018
Explanation:
Acceleration: the rate of change of velocity per unit of time.
#a = (v - u)/t#
