I would just use x = (vi)t + 1/2 (a)(t^2)
and remember that vi is -1.
A kitten pushes a ball of yarn rolling toward it at 1.00 cm/s with its nose, displacing the ball of yarn 17.5 cm in the opposite direction in 2.00 s. What is the acceleration of the ball of yarn?
2 answers
conyo