Question
A commuter backs her car out of her garage with an acceleration of $1.40 \textrm{ m/s}^2$ . (a) How long does it take her to reach a speed of $2.00 \textrm{ m/s}$? (b) If she then brakes to a stop in $0.800 \textrm{ s}$, what is her deceleration?
1. $1.43 \textrm{ s}$
2. $-2.50 \textrm{ m/s}^2$
Solution Video