If the actual coefficient of sliding friction on icy pavementis 0.05, theoretically within what range of speeds could a vehiclebe operated without sliding inward or outward for the following problems.
(a) R = 5000ft e = 0.10
(b) Da = 5deg e = 0.06
(c)R = 1200ft e = 0.08
(d) Da = 1deg40min e = 0.08