SOLUTION: Please help, thanks a bunch A bicyclist is riding in a hilly area. She approaches a hill, and when she arrives at the bottom of the hill she is traveling at a speed of 15.0 m/s.

Question 391521: Please help, thanks a bunch
A bicyclist is riding in a hilly area. She approaches a hill, and when she arrives at the bottom of the hill she is traveling at a speed of 15.0 m/s. After 1.0 minutes, she arrives at the top of the hill, and her speed is now 7.0 m/s. What is her average acceleration in m/s^2?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Acceleration is (change in velocity)/(change in time)
m/sec2

m/sec2
This is a deceleration, or a negative accelertion
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