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Unformatted text preview: 1 6. (12 pts) The graph of a function that describes a simple harmonic motion is shown below. (a) What is the amplitude of the function? (b) What is the period of the function? (c) What is a possible formula for the function? f ( t ) t 2-2 p 2 7. (12 pts) The function h ( t ) models the height in feet at time t seconds of a rider on a Ferris wheel. h ( t ) =-16 cos( t 40 ) + 24 (a) What is the maximum height the rider reaches? (b) How long does it take for one revolution of the wheel? (c) How high is the rider when t=50 seconds? (d) When is the rst time, after t = 0, the rider reaches a height of 24 feet? 8. (12 pts) A riding lawnmower has wheels that are 12 inches in diameter. If the lawn-mower is traveling 3 miles per hour, what is the angular speed of the wheels in radians per second? (1 mile = 5280 feet; 1 foot = 12 inches ) 2...
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This essay was uploaded on 04/09/2008 for the course HIST, ENG 100-----16 taught by Professor Alexander----walser,krall during the Spring '08 term at Ill. Chicago.
- Spring '08