Asked by EMILY
What must be the radius of an unbanked (flat) curve so that a car can safely travel at a maximum speed of 39 m/s? The coefficient of static friction is 0.70.
Answers
Answered by
Damon
m v^2/r = .7 m g
or
Ac = .7 g :)
39^2 / r = .7 (9.81)
r = 39^2/ (.7*9.81)
or
Ac = .7 g :)
39^2 / r = .7 (9.81)
r = 39^2/ (.7*9.81)
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