Aboy of mass m and a girl of mass 2m are initially at rest at the center of a frozen pond. they push each other so that she slides to the left at speed v across the frictionless ice surface and he slides to the right. what is the total work done by the children?

Uppose that the federal reserve purchases a bond for $100,000 from donald truck, who deposits the proceeds in the manufacturer’s national bank. what will be the impact of this purchase on the supply of money? the money supply will increase by $100,000. the money supply will increase by $80,000. the money supply will increase by $500,000. this action will have no effect on the money supply. if the reserve requirement ratio is 20 percent, what is the maximum amount of additional loans that the manufacturer’s bank will be able to extend as the result of truck’s deposit? the maximum additional loans is $100,000. the maximum additional loans is $80,000. the maximum additional loans is $20,000. the maximum additional loans is $500,000. given the 20 percent reserve requirement, what is the maximum increase in the quantity of checkable deposits that could result throughout the entire banking system because of the fed’s action? this action will have no effect on the money supply. the money supply will eventually increase by $80,000. the money supply will eventually increase by $500,000. the money supply will eventually increase by $100,000.

River corp's total assets at the end of last year were $415,000 and its net income was $32,750. what was its return on total assets? a. 7.89%b. 8.29%c. 8.70%d. 9.14%e. 9.59%

Anew manufacturing technology makes it easier to make the product and causes a shift in the supply curve. what is the new equilibrium point after implementing the new technology? (hint: determine which direction a easier production shifts the supply curve and use that direction to pick the resulting equilibrium point.) $6 and 20,000 $4 and 30,000 $6 and 30,000 $4 and 20,000