A Car Is Traveling on a Curve That Forms a Circular

question 30

Multiple Choice

A car is traveling on a curve that forms a circular arc. The force F needed to keep the car from skidding is jointly proportional to the weight $\text {W }$
Of the car and the square of its speed s, and is inversely proportional to the radius r of the curve. A car weighing 2,500 lbs travels around a curve at 70 mi/h. The next car to round this curve weighs 4,900 lbs and requires the same force as the first car to keep from skidding. How fast is the second car traveling?

• A) 49 mi/h
• B) 50 mi/h
• C) 44 mi/h
• D) 54 mi/h
• E) 52 mi/h

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Definitions:

Reconciliation

A comparison of the office’s financial records with bank records to ensure that they are consistent and accurate; usually done when the monthly checking account statement is received from the bank.

Daily Log

A record kept every day to track events, tasks, or progress in various contexts, such as personal health, project management, or workplace activities.

Patient Charges

The financial costs assigned to medical treatments, services, or procedures that a patient has received or will receive.

Payments Received

The act of receiving money as an exchange for goods or services.