Physics, 26.10.2019 23:43 studybug2306
Initially, a ball has an angular velocity of5 rad/s counterclockwise. some time later, after rotating through a total angle of 5.5 radians, the ball has an angular velocity of 1.5 rad/s clockwise. (a) what is the angular acceleration? (b) what is the average angular velocity? (c) how much time did it take to change the speed
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As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
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Which best describes the difference between internal and thermal energy?
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Initially, a ball has an angular velocity of5 rad/s counterclockwise. some time later, after rotatin...
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