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Solve the Problem. -Under Ideal Conditions, If a Person Driving a Car Slams

Question 71

Multiple Choice

Solve the problem.
-Under ideal conditions, if a person driving a car slams on the brakes and skids to a stop on wet pavement, the length of the skid marks (in feet) is given by the formula L(x, y) = 0.00002xy2, where x is the weight of the car in
Pounds and y is the speed of the car in miles per hour. What is the average length of the skid marks for cars
Weighing between 2500 and 3500 pounds and traveling at speeds between 45 and 55 miles per hour? Set up a
Double integral and evaluate.


A) Solve the problem. -Under ideal conditions, if a person driving a car slams on the brakes and skids to a stop on wet pavement, the length of the skid marks (in feet)  is given by the formula L(x, y)  = 0.00002xy2, where x is the weight of the car in Pounds and y is the speed of the car in miles per hour. What is the average length of the skid marks for cars Weighing between 2500 and 3500 pounds and traveling at speeds between 45 and 55 miles per hour? Set up a Double integral and evaluate. A)    B)    C)    D)
B) Solve the problem. -Under ideal conditions, if a person driving a car slams on the brakes and skids to a stop on wet pavement, the length of the skid marks (in feet)  is given by the formula L(x, y)  = 0.00002xy2, where x is the weight of the car in Pounds and y is the speed of the car in miles per hour. What is the average length of the skid marks for cars Weighing between 2500 and 3500 pounds and traveling at speeds between 45 and 55 miles per hour? Set up a Double integral and evaluate. A)    B)    C)    D)
C) Solve the problem. -Under ideal conditions, if a person driving a car slams on the brakes and skids to a stop on wet pavement, the length of the skid marks (in feet)  is given by the formula L(x, y)  = 0.00002xy2, where x is the weight of the car in Pounds and y is the speed of the car in miles per hour. What is the average length of the skid marks for cars Weighing between 2500 and 3500 pounds and traveling at speeds between 45 and 55 miles per hour? Set up a Double integral and evaluate. A)    B)    C)    D)
D) Solve the problem. -Under ideal conditions, if a person driving a car slams on the brakes and skids to a stop on wet pavement, the length of the skid marks (in feet)  is given by the formula L(x, y)  = 0.00002xy2, where x is the weight of the car in Pounds and y is the speed of the car in miles per hour. What is the average length of the skid marks for cars Weighing between 2500 and 3500 pounds and traveling at speeds between 45 and 55 miles per hour? Set up a Double integral and evaluate. A)    B)    C)    D)

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