SOLUTION: A driver in a car moving at 32 m/s sees a cow sitting on the road 71 m ahead. Can the driver stop in time to avoid hitting the cow if his rate of deceleration is -7.6 m/s^2.
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Question 1003218: A driver in a car moving at 32 m/s sees a cow sitting on the road 71 m ahead. Can the driver stop in time to avoid hitting the cow if his rate of deceleration is -7.6 m/s^2.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
We can use
Vf^2 - Vo^2 = 2ax
to find the stopping distance, x.
x = (0 - 32^2)/(2*(-7.6))
x = -1024/-15.2 = 67.4 m
He stops in 67.4 m and does not strike the cow.
Moooo!
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