Asked by Amelie
Find the minimum stopping distance for a car moving at 108km/h if the coefficient of static friction between the tires and road is 0.9
I really don't understand pls helppp
I really don't understand pls helppp
Answers
Answered by
Damon
108,000m/hr * 1hr/3600s = 30 m/s
friction force= -.9 m g
= -.9 * 9.81 m = -8.83 m
F = m a
-8.83 m = m a
a = -8.83 m/s^2
v = Vi + a t
0 = 30 - 8.83 t
t = 4 seconds
friction force= -.9 m g
= -.9 * 9.81 m = -8.83 m
F = m a
-8.83 m = m a
a = -8.83 m/s^2
v = Vi + a t
0 = 30 - 8.83 t
t = 4 seconds
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.