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HELP HOME PAGE Make a Practice Test Some Hints & Solutions Introductory Topics Kinematics Mechanics Thermodynamics Optics Electric Fields Magnetic Fields Electric Circuits Vibrations and Waves ** "Reload" or "Refresh" the page to make another test from the same selection of problem types (F5 in Internet Explorer). Select a new problem set. What centripetal acceleration does a car need to go around a 122 m radius corner at 77 km/h? m/s2 If it takes a centripetal acceration of 1.934 m/s2 for a car to go around a 295 m corner, how fast is the car traveling? km/h A ball is hanging on the end of a 0.65 m long string which is being swung such that the ball follows a circular path, performing 13.5 revolutions in 3.7 seconds. What is the centripetal acceleration which makes the ball travel in a circular path? m/s2 If it takes a centripetal acceration of 2.246 m/s2 for a car to go around a corner at 87 km/h, what is the radius of curvature of the corner? m A ball is hanging on the end of a 0.4 m long string which is being swung such that the ball follows a circular path due to a centripetal acceleration of 192.2 m/s2. How many revolutions does it make in 4.7 seconds? revolutions If it takes a centripetal acceration of 1.543 m/s2 for a car to go around a corner at 60 km/h, what is the radius of curvature of the corner? m