Steven N.

asked • 10/19/22

Can't get the right seconds

A ferris wheel is 35 meters in diameter and boarded from a platform that is 2 meters above the ground. The 6 o'clock position on the wheel is level with the loading platform. The wheel completes a full revolution in 6 minutes. How many minutes of the ride are spent higher than 32 meters above the ground (to the nearest second)?


I used the following formula and it didn't work:


-17.5cos(pi/3(t))+19.5

Doug C.

Try using cos((pi/180)t) , converting 6 minutes to 360 seconds
Report

10/19/22

1 Expert Answer

By:

Richard C. answered • 10/19/22

Tutor
5 (4)

Confidence-building Trigonometry tutor with 18 years experience
About this tutor ›
About this tutor ›

19.5 is supposed to be 2. The vertical shift is up 2 to correct for the platform.

Upvote • 0 Downvote
More
Report

Steven N.

So the formula with your correction is the correct way to solve this? Trying to help my daughter, and it's been years since I did this. She is putting the solution in an online assignment from her class and it says the 1 minute is correct but the seconds is incorrect
Report

10/23/22

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.