Concept explainers
(a)
To find: when will a person’s seat on the Ferris wheel be 53 feet above ground.
(a)
Answer to Problem 94E
The person will be at 53 feet when,
Explanation of Solution
Given information:
The height
The wheel makes one revolution every 32 seconds. The ride begins when
Calculation:
Calculate the time when the seat is at a height of 53 feet.
Also considering,
So, the person will be at 53 feet when,
(b)
To find: when will a person’s seat be at the top of the Ferris wheel for the first time during the ride, to find the number of times will a person’s seat be at the top of the ride, and to find the times.
(b)
Answer to Problem 94E
The person will be at highest position at
The person will be on top position at 5 instances,
Explanation of Solution
Calculation:
The person will be at top of the Ferris wheel when,
So, the person will be at highest position when,
The period of the function
Hence, the person will be on top position at 5 instances,
Chapter 5 Solutions
EBK PRECALCULUS W/LIMITS
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