Solve. -The Force Needed to Keep a Car from Skidding on on a Curve

question 58

Multiple Choice

Solve.
-The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 3600 pounds is needed to keep an 1800 pound car traveling at 20 mph from skidding on a curve of radius 600 feet, what force would be required To keep the same car from skidding on a curve of radius 550 feet at 30 mph? Round your answer to the nearest Pound of force?

• A) 9406 pounds
• B) 8704 pounds
• C) 8836 pounds
• D) 8868 pounds

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Definitions:

Correlational Study

A research method that examines the relationship between two variables to determine if a statistical association exists, without establishing cause-and-effect.

Statistically Significant

A measure indicating that the likelihood of a particular result occurring by chance is low, and thus, the result can be considered to have genuine association.

Correlational Study

A research method that examines the relationship between variables, without implying a cause-and-effect relationship.

Experiment

A scientific procedure undertaken to test a hypothesis by systematically manipulating variables.