Jan observes a buoy bobbing up and down through a total amplitude of 8 feet. Beginning at the top of the wave, if the buoy completes a full cycle every 8 seconds, what is the height of the buoy relative to its lowest point after 12 seconds?
Possible Answers:
8.0 feet
0 feet
4.0 feet
12.0 feet

Question

Jan observes a buoy bobbing up and down through a total amplitude of 8 feet. Beginning at the top of the wave, if the buoy completes a full cycle every 8 seconds, what is the height of the buoy relative to its lowest point after 12 seconds?
Possible Answers:
 	8.0 feet
		0 feet
		4.0 feet
		12.0 feet

jtvatsim · Answer

OK, so this definitely requires graphing, we begin at the top of the wave (8 ft) and complete a full cycle after 8 seconds (back to the top). So, we can graph it like this...

jtvatsim · Answer

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