11. When the diver from the previous question enters the water, the water 8 points performs work on the diver to stop her downward motion. How much
work does the water perform?
O 490J
O
4903
O 4,900 J
O -4,900 j

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.