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29/12/2021 1:50 pm
Topic starter
For the given displacement – time curve of SHM. The potential – energy vs time curve will be?
1 Answer
1
29/12/2021 1:54 pm
Correct answer: (d)
Explanation:
Considering Spring – mass system
x = x0 sin ω t
P. E =(1/2)kx2 = 1/2kx02sin2 ωt = c sin2 ωt
⇒ PE = (1- cos 2 ωt)/2
Thus, the value of P.E will always be positive.