Abranch of a tree grows out from the trunk at an angle of 26.5° above the horizontal. two children hang by their hands from the branch of the tree. the first child has a mass of 43.5 kg and hangs 1.45 m from the tree trunk, as measured along the length of the branch. the second child, with a mass of 32.5 kg, hangs 2.15 m from the tree trunk, also measured along the branch. determine the magnitude (in n · m) of the net torque exerted on the branch by the children, about an axis located where the branch joins the tree trunk and is perpendicular to the plane formed by the branch and the trunk. g
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Physics, 22.06.2019 10:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?
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Abranch of a tree grows out from the trunk at an angle of 26.5° above the horizontal. two children h...
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