Wednesday
August 20, 2014

Homework Help: trig

Posted by Claire on Friday, August 6, 2010 at 9:35pm.

8. Write the equation for simple harmonic motion given that the amplitude is 5 centimeters and the frequency is 2/ cycles per second. Assume that the maximum displacement occurs when t = 0.
a. y = 5sin4t
b. y = 5cos2t
c. y = 5cos4t
d. y = 5sin2t

9. Write the equation for simple harmonic motion given that the amplitude is 4 centimeters and the period is seconds. Assume zero displacement at t = 0.
a. y = 4cos2t
b. y = 4sin2t
c. y = 4cos2t
d. y = 4sin2t

*How would go about solving these? Need Help.

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