A new package moving system in the new, improved post office consists of a large circular disc (i. e. a turntable) which rotates once every 3.0 seconds at a constant speed in the horizontal plane.

Packages are put on the outer edge of the turntable on one side of the room and taken off on the opposite side. The coefficient of static friction between the disc surface and a package is 0.80 while the coefficient of kinetic friction is 0.60.

If this system is to work, what is the maximum possible radius of the turntable?

spare some change and give it to the poor

explanation:

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  distance on the y-axis and time on the x-axis.

explanation:

the instantaneous velocity = change in position/time taken

the slope of the graph should give instantaneous velocity.

  slope of a graph = change in value of y -axis / change in values of x -axis

  comparing both the equations

    change in value of y -axis = change in position

  change in values of x -axis = time taken

so position values should be on the y axis and time values should be on the x axis.

distance on the y-axis and time on the x-axis.