Solve the problem.While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If a passenger experiences a force of 48.6 newtons (N) when the car is moving at a speed of 30 kilometers per hour and the passenger has a mass of 60 kilograms, find the force a passenger experiences when the car is moving at 20 kilometers per hour and the passenger has a mass of 70 kilograms.
A. 28 N
B. 25.2 N
C. 22.4 N
D. 32 N
Answer: B
Mathematics
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A. 1 B. 4 C. 2 D. 12
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 3cos (?x), y = 3, x = -0.5, x = 0.5
A. 9?
B. 
?
C. 3?
D. 18?
Mathematics
Simplify.
A. 
B. - 
C. 
D. 
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Tell whether the relation is a function.
A. Function B. Not a function
Mathematics