(a)
To find: What is the minimum height of the tip of the labeled fan blade above the ground.
The minimum height of the tip of the labeled fan blade above the ground is 30 inches.
Given information:
Given that the length of the blade is
Calculation:
The diameter of the fan is 18 inches and the maximum height is 48 inches.
The minimum height of the tip of the labeled fan blade above the ground is:
(b )
To find: What is the model for the height and time .
The model for the height and time is
Given information:
Given that the length of the blade is
Calculation:
In order to find the model for the height and time it is required to find the amplitude, period, phase shift, vertical shift.
The general sinusoidal model is:
800 revolution is done in
The maximum height of blade from the ground is 48 inches.
Period of the blade will be calculated as:
Now in order to find
The midline of the handle will be:
Here
Find amplitude with formula
Substitute all the values in the general equation of model gives:
(b )
To find: Do the answer will change if the fan rotates clockwise. Why?
The model will change by the sign if the rotation is clockwise.
Given information:
Given that the length of the blade is
Calculation:
If the motion is clockwise the model will change by the sign because the angle will change by
Chapter 10 Solutions
EBK ALGEBRA 2
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- Kate, Luke, Mary and Nancy are sharing a cake. The cake had previously been divided into four slices (s1, s2, s3 and s4). The following table shows the values of the slices in the eyes of each player. S1 S2 S3 S4 Kate $4.00 $6.00 $6.00 $4.00 Luke $5.30 $5.00 $5.25 $5.45 Mary $4.25 $4.50 $3.50 $3.75 Nancy $6.00 $4.00 $4.00 $6.00 how much is the cak worth to maryarrow_forwardKate, Luke, Mary and Nancy are sharing a cake. The cake had previously been divided into four slices (s1, s2, s3 and s4). The following table shows the values of the slices in the eyes of each player. What is the threshold of fair share for Luke? S1 S2 S3 S4 Kate $4.00 $6.00 $6.00 $4.00 Luke $5.30 $5.00 $5.25 $5.45 Mary $4.25 $4.50 $3.50 $3.75 Nancy $6.00 $4.00 $4.00 $6.00arrow_forward2. A microwave manufacturing firm has determined that their profit function is P(x)=-0.0014x+0.3x²+6x-355 , where is the number of microwaves sold annually. a. Graph the profit function using a calculator. b. Determine a reasonable viewing window for the function. c. Approximate all of the zeros of the function using the CALC menu of your calculator. d. What must be the range of microwaves sold in order for the firm to profit?arrow_forward
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