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avatar+377 

The table of values shows the height of a car of a Ferris wheel as it travels in a circular motion.

 

Time (seconds)   Height(yards)

0                          30

3                          55

6                          30

9                            5

12                        30

15                        55

18                        30

21                        5

24                        30

 

Which statements are true?

Select EACH correct answer

 

A. the radius of the ferris wheel is 25yd

 

B. If the car is loaded at 0s the people are loaded at the lowest height of the ferris wheel

 

C. The maximum height of the ferris wheel above ground is 50 yd

 

D. The car makes a complete revolution in 12s

 Jan 28, 2019
 #1
avatar+101255 
+1

A.  The radius can be found as 

[ highest point - lowest point ] / 2  = [55 - 5 ] / 2   =  50 / 2   =   25  yd

 

So A is true

 

B.  False....the lowest point is at 9 seconds

 

C. False....max height = 55 yd

 

D True

 

 

cool cool cool

 Jan 28, 2019
 #2
avatar+18309 
0

This question has been posted like 4 times in the last week or so.....

 Jan 28, 2019

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