Question

cafeteria tray dispenser supports a stack of trays on a shelf that hangs from four identical spiral springs under tension, one near each corner of the shelf. Each tray is rectangular, 45.3cm by 35.6cm, 0.450cm thick, and with mass 580g. (c) Is any piece of data unnecessary for this determination?

Answer 1

Answer: yes that’s totally unnecessary

Explanation: those numbers are weird for a cafeteria dispenser way to open the stuff would fall out