You are driving through town at 12.0 m/s when suddenly a ball rolls out in front of you. You apply the brakes and begin decelerating at 3.5 m/s^2.(a)How far do you travel before stopping?(b)When you have traveled only half the distance in part(a), is your speed 6.0 m/s, greater than 6.0 m/s, or less than 6.0 m/s? support your answer with a calcation.
2 answers
approx. 21m
x=20.57m then
(b) V= 8.48m/s , so it's greater ..use the V^2= Vo^2 +2a(X2-Xo)
(b) V= 8.48m/s , so it's greater ..use the V^2= Vo^2 +2a(X2-Xo)
5 answers