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Physics, 02.01.2020 20:31 angelaisthebest1700
To develop muscle tone, a woman lifts a 2.50 kg weight held in her hand. she uses her biceps muscle to flex the lower arm through an angle of 60.0°.what is the angular acceleration (in rad/s2) if the weight is 24.0 cm from the elbow joint, her forearm has a moment of inertia of 0.250 kg · m2, and the net force she exerts is 550 n at an effective perpendicular lever arm of 2.10 cm? (ignore gravity)how much work (in j) does she do?
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