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Physics, 27.01.2021 19:50 icantspeakengles
An object on the end of a spring with spring constant k moves in simple harmonic motion with amplitude A and frequency f. Which of the following is a possible expression for the kinetic energy of the object as a function of time t?
a. kA^2sin^(2Ï€ft)
b. 1/2kA^2cos^2(2Ï€ft)
c. 1/2kA sin(2Ï€ft)
d. kAcos(2Ï€ft)
e. 1/2kAsin(2Ï€ft)
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