An engineering student has made a robot mouse that is running around a circle on

Question

An engineering student has made a robot mouse that is running around a circle on a horizontal table. The mouse is kept on its circular path by a string that is attached to it and passes through a hole in the center of the table. The student, below the table pulls on the string with a tension 24. 50 N to keep the mouse on a circular path of a particular radius. If the mouse has a mass of 1. 60 kg and moves with a speed of 4. 00 m/s the circular path has a radius of:

Explanation / Answer

F=mv^2/r F=24N ; m=1.60 kg ; v =4m/s => r = mv^2/F = 1.6 x 16/24 = 1.07 m

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