Practice -Simple Harmonic Motion Applications

Question 1

Tide is in (4 meters deep) at 7am and out (1 meter deep) at 9pm the same day. What is true?

Accepted Answer

VS is up 2.5 meters

Question 2

What's the amplitude if max # in population is 500,000 and low, 5 years later, is 175,000?

Accepted Answer

162, 500 people

Question 3

A pebble is caught in treads of a tire as shown. At what height will it be after 8.5 seconds?

Accepted Answer

35cm

Question 4

A buoy moves a total height of 4 ft. Returns to its high every 25 s. Starts at a low.

Accepted Answer

d = -2cos(2π/25 t)

Question 5

2hrs after timing begins, temp is at low of 50. 3hrs later at high of 72. What's NOT true?

Accepted Answer

period is 5

Question 6

At how many seconds will the riders of the ferris wheel be at 24 feet for the 4th time?

Accepted Answer

19.5

Questions 6