A buoy floating in the sea bobbing in simple harmonic motion with period 4 seconds and amplitude 12 in. Its displacement d from sea level at time t=0 seconds is 0 in and initially moves downward. Give the equation modeling the displacement d as a function of time t.

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.