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Physics, 02.04.2020 17:32 zairamori14

A small rock with mass 0.12 kg is fastened to a massless string with length 0.80 m to form a pendulum. The pendulum is swinging so as to make a maximum angle of 45 ∘ with the vertical. Air resistance is negligible. a) what is the speed of therock when the string passes through the vertical position? b) Whatis the tension in the string when it makes an angle of 45degreewith the vertical? c) What is the tension in the string as itpasses through the vertical?

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