An automobile moves on a level horizontal road in a circle of radius 30 m. (i.e. the road is flat, not banked) The coefficient of friction between tires and road is 0.50. The maximum speed with which this car can round this curve, and the direction of the frictional force is: (note: you may use g = 10 m/s/s) 10 m/s; radially inward 10 m/s; radially outward 12 m/s; radially inward 12 m/s; radially outward 14 m/s; radially inward 14 m/s; radially outward Not enough information is given.

College Physics
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An automobile moves on a level horizontal road in a circle of radius 30 m. (i.e. the
road is flat, not banked)
The coefficient of friction between tires and road is 0.50.
The maximum speed with which this car can round this curve, and the direction of
the frictional force is:
(note: you may use g = 10 m/s/s)
10 m/s; radially inward
10 m/s; radially outward
12 m/s; radially inward
12 m/s; radially outward
14 m/s; radially inward
14 m/s; radially outward
Not enough information is given.
Transcribed Image Text:An automobile moves on a level horizontal road in a circle of radius 30 m. (i.e. the road is flat, not banked) The coefficient of friction between tires and road is 0.50. The maximum speed with which this car can round this curve, and the direction of the frictional force is: (note: you may use g = 10 m/s/s) 10 m/s; radially inward 10 m/s; radially outward 12 m/s; radially inward 12 m/s; radially outward 14 m/s; radially inward 14 m/s; radially outward Not enough information is given.
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