A 1570 kg Smart car is going around a 56 m radius curve. The coefficient of stat

Question

A 1570 kg Smart car is going around a 56 m radius curve. The coefficient of static friction is 0.84 NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History Determine the maximum speed the car can go without sliding if the curve is flat. (include units with answer) 16.67 pts. 100% | 2% try penalty Bonus hint # tries: 0 show Details Format Check Hints: 0,0 If the curve had a 7° bank with respect to the horizontal, at what speed should the car go is no friction force? (include units with answer) 16.67 pts. 100% so there is Format Check 2% try penalty # tries: 0 Show Details Bonus hint Hints: 10 Determine the maximum speed the car can go around the banked turn without sliding (include units with answer) 16.67 pts. 100% C. # tries: 0 show Details Format Check 290 try penalty Bonus hint Hints: 2.0

Explanation / Answer

part A:

max speed V^2 = u r g

V^2 = 0.84* 56* 9.81

V max = 21.48 m/s

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at theta = 7 deg

Vmax^2 = r g tan theta

Vamx^2 = 56* 9.81* tan 7

Vmax = 8.21 m/s

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Vmax^2 = r g us

Vmax^2 = 56* 9.81* 0.84

Vamx = 21.48 m/s

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