the giant swing at a county fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. each arm supports a seat suspended from a 5 m long rod the upper end of which is fastened to the arm at a point 3.0 m from the central shaft. during the rotation of the giant swing the rod supporting the seat makes an angle of 300 with the vertical. use g = 10 m/s2.

Little's law can be applied to any part of the store, such as a particular department or the checkout lines. the store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. at any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the good deals store?