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Physics, 22.06.2019 05:30
Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30Β° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
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Physics, 22.06.2019 21:10
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius ν
=0.381meters and mass ν=3.1νν. initially ν"is on the ground and ν#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of ν#just before it strikes the ground. assume the pulley bearing is frictionless.
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Physics, 23.06.2019 02:30
Can a molecule have bond dipoles but not have a molecular dipole?
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Physics, 23.06.2019 04:40
Asign is hung between two cables as illustrated below. if the sign weighs 350 n, what is the tension (in n) in each cable?
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Provide examples of thermodynamics....
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