An airpuck of mass .29kg is tied to a string and allowede torevolve in a circle

Question

An airpuck of mass .29kg is tied to a string and allowede torevolve in a circle of radius 1.4m on a frictionless horizontal table. The other end of thestring passes through a hole in the center of the table, and a massof .7 kg is tied to it. The suspended mass remains inequalibrium while the puck on the tabletop revolves. Whatr is the tension on the string______N What is the force causing the centripical acceleration on thepuck______N what is the speed of the puck__________m/s An airpuck of mass .29kg is tied to a string and allowede torevolve in a circle of radius 1.4m on a frictionless horizontal table. The other end of thestring passes through a hole in the center of the table, and a massof .7 kg is tied to it. The suspended mass remains inequalibrium while the puck on the tabletop revolves. Whatr is the tension on the string______N What is the force causing the centripical acceleration on thepuck______N what is the speed of the puck__________m/s

Explanation / Answer

tension of the string =weight of the mass 0.7 kg T=mg=6.86 N the force causing the centripical acceleration on thepuck =6.86 N the speed of the puck T=0.29*v2/1.4 => v=5.75 m/s

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