Solve.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 the a passenger experiences a force of 162 newtons when the car is moving at a speed of 60 kilometers per hour and the passenger has a mass of 50 kilograms, find the force a passenger experiences when the car is moving at 70 kilometers per hour and the passenger has a mass of 100 kilograms.
A. 539 newtons
B. 490 newtons
C. 441 newtons
D. 392 newtons
Answer: C
You might also like to view...
Solve the problem.Jill is 14 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 4 hours. How fast is Joe walking?
A. 1.5 kilometers per hour B. 2 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour
The following double-bar graph illustrates the revenue for a company for the four quarters of the year for two different years. Use the graph to answer the question. 
Which quarter for 2010 had the greatest decrease in revenue compared to the same quarter for 2009?
A. second quarter B. first quarter C. fourth quarter D. third quarter
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where H+ represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 
A. 2.8 B. 3.8 C. 2.2 D. 3.2
Use your graphing calculator to graph the pair of functions for 
together on a single coordinate system. (Make sure your calculator is set to radian mode.)
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
