The equation H = 66 sin (0.052t - 1.57)+72 represents the turning of a Ferris wheel, where t represents the time, in seconds, and H is the height, in meters.

What is the radius of the Ferris wheel?

How high is the bottom of the Ferris wheel from the ground?

How long does it take the Ferris wheel to go around one time? (round to the nearest second) seconds

How high is the first car 21 seconds into the ride. (round to the nearest meter) meters

When is a car that starts at the bottom of the Ferris wheel at 100m for the first time? (round to the nearest second) seconds​