Physics, 11.11.2020 05:30 emmaja121003
A man is attempting to raise a 7.5-m-long, 30 kg flagpole that has a hinge at the base by pulling on a rope attached to the top of the pole, as shown in the figure below.(Figure 1).With what force does the man have to pull on the rope to hold the pole motionless in this position?
Answers: 3
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The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
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The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island
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In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
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Why do some scientists and archeologists think that volta was not the first person to build a battery
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A man is attempting to raise a 7.5-m-long, 30 kg flagpole that has a hinge at the base by pulling on...
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