A Car Enters a Level,unbanked Semi-Circular Hairpin Turn of 300 $\mu$

question 50

Multiple Choice

A car enters a level,unbanked semi-circular hairpin turn of 300 m radius at a speed of 40 m/s.The coefficient of friction between the tires and the road is $\mu$ = 0.25.If the car maintains a constant speed of 40 m/s,it will

• A)attempt to dig into the road surface.
• B)tend to veer toward the center of the semicircle.
• C)arrive safely at the end of the semicircle.
• D)tend to veer toward the outside of the circle.
• E)veer toward the center for the first quarter-circle,then veer toward the outside for the second quarter-circle.

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Understand the significance of coolant levels and the types of coolants suitable for various vehicle engines.

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A transaction in which goods are delivered to a buyer for examination with the understanding that the sale is final only if the goods are approved.

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