Asked by pranav


i dontget how the textbook got the answer, h = -30cos[(1.43)x]° + 40

the question is:
a paintball is shot at a wheel of radius 40 cm. the paintball leaves a cricuarmark 10 cm from the outer edge of the wheel. As the wheel rolls, the mark moves in a circular motion.assuming that the paintball mark starts at its lowest point, determine the qeuation of the sinusoidal function that describes the hieght of the mark in terms of the distance the wheel travels.

please help me!!!
Answered by Ms. Sue
hehehe!

I'm sorry to laugh, but I certainly cannot help you with this problem. My math skills stop at about 6th grade.

Answered by Reiny
I just looked at this in your previous post
http://www.jiskha.com/display.cgi?id=1292296754
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