klinebl2539 klinebl2539

04-11-2022
Physics

Answered

a pendulum is constructed from a 4.4 kg mass attached to a strong cord of length 1.2 m also attached to a ceiling. originally hanging vertically, the mass is pulled aside a small distance of 7.7 cm and released from rest. while the mass is swinging the cord exerts an almost-constant force on it. for this problem, assume the force is constant as the mass swings. how much work in j does the cord do to the mass as the mass swings a distance of 8.0 cm?

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