Race Flat
6
Mar/080
Mar/080
friction provides the forve needed for a car to travel around a flat, circular race track. What is the maxi?
speed at which the car can safely tracel id the radius of the track is 80.0 m and the coefficient of friction is .40?
At the point when the car starts skidding, the force of friction, m*g*f, is equal to the imaginary force of inertia m*v^2/r. That is, v = sqrt(r*g*f).
r=80m. f=0.4. g=10m/s^2. The answer is v =sqrt(320)m/s, which is appr. 18m/s
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US $198.00
























