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A sports car starts from rest on a circular track of radius 537 meter. The car's speed increases at the constant rate of 0.780 m/s2. At the point where the magnitudes of the tangential and centripetal accelerations are same, determine the following:
(a) Calculate the speed of the sports car?
m/s
(b) Calculate the distance traveled?
m
(c) Calculate the elapsed time?
s
An 8.0 m, 100 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.40, what is the minimum angle that ladder can make with the floor before it slips.
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