Find the maximum speed with which a car can round a curve that has a radius of 80 m without slipping if the road is unbanked and the coefficient of

friction between the road and the tires is 0.81.

20.8 m/s

25.2 m/s

44.3 m/s

30.6 m/s

Question

Cara

26 June, 04:31

+2

Answers (1)

Know the Answer?

Jayce Roman · Answer 1

25.2 m/s

Explanation:

∑F = ma

Nμ = m v² / r

mgμ = m v² / r

gμ = v² / r

(9.8 m/s²) (0.81) = v² / 80 m

v = 25.2 m/s

Find the maximum speed with which a car can round a curve that has a radius of 80 m without slipping if the road is unbanked and the coefficient offriction between the road and the tires is 0.81.20.8 m/s25.2 m/s44.3 m/s30.6 m/s