October 10, 2015

Homework Help: MATH

Posted by ROBIN on Thursday, July 18, 2013 at 11:05am.

A Ferris wheel completes one revolution every 90 s. The cars reach a
maximum of 55 m above the ground and a minimum of 5 m above the ground.
The height, h, in metres, above the ground can be modeled using a sine function,
where t represents time, in seconds. Assume ride starts when you get on the ride.
a) Draw a sketch showing one rotation of the Ferris wheel.
b) Determine an equation that models the height of a rider.
c) Determine the height of a rider after 70 seconds.

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