77. A car rounds an unbanked curve of radius 65 m. If the coefficient of static friction between the road and car is 0.70, what is the maximum speed at which the car traverse the curve without slipping?

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Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 108CP: In a particle accelerator, a proton has mass 1.6710-27kg and an initial speed of 2.00105m/s . It...
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Ch.6 Problem 77
kg) that move around the
the protons (m = 1.67 x 10
accelerator at 5% of the speed of light? (The speed of
%3D
light is v = 3.00 × 10° m/s. ) (b) What is the force on the
protons?
77. A car rounds an unbanked curve of radius 65 m. If
the coefficient of static friction between the road and car is
0.70, what is the maximum speed at which the car traverse
the curve without slipping?
78. A banked highway is designed for traffic moving at
90.0 km/h. The radius of the curve is 310 m. What is the
angle of banking of the highway?
Transcribed Image Text:kg) that move around the the protons (m = 1.67 x 10 accelerator at 5% of the speed of light? (The speed of %3D light is v = 3.00 × 10° m/s. ) (b) What is the force on the protons? 77. A car rounds an unbanked curve of radius 65 m. If the coefficient of static friction between the road and car is 0.70, what is the maximum speed at which the car traverse the curve without slipping? 78. A banked highway is designed for traffic moving at 90.0 km/h. The radius of the curve is 310 m. What is the angle of banking of the highway?
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