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For a simple pendulum, a graph is plotted its kinetic energy (KE) and potential energy (PE) against its displacement d. Which one of the following represents these correctly?A. (a).B. (b).C. (c ).D. (d). |
Answer» Correct Answer - D (d) `K.E=1/2k(A^(2)-d^(2)` and P.E.=1/2kd^(2)` At mean position `d=0`. At extremes positions `d=A`. |
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