Physics, 24.12.2019 18:31, karlyisaunicorn
Agymnast with mass m1 = 42 kg is on a balance beam that sits on (but is not attached to) two supports. the beam has a mass m2 = 112 kg and length l = 5 m. each support is 1/3 of the way from each end. initially the gymnast stands at the left end of the beam. be sure to use g=9.81 m/s^2 and keep at least 4 digits in this problem.
Answers: 2
Physics, 22.06.2019 02:30, erinolson07cats
The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?
Answers: 3
Physics, 22.06.2019 08:40, kayleewoodard
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
Answers: 1
Physics, 22.06.2019 21:00, thanitoast84
Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine
Answers: 2
Agymnast with mass m1 = 42 kg is on a balance beam that sits on (but is not attached to) two support...
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