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?

If temper company, a manufacturer of mattresses, was considering moving its production facilities to china but decided against it because the additional costs of shipping the mattresses back to the u. s. would offset the cost savings associated with moving the production facilities, the increased costs associated with shipping would be an example ofanswers: learning-curve economies. diseconomies of scale. economies of scale. competitive advantages.

When interest is compounded continuously, the amount of money increases at a rate proportional to the amount s present at time t, that is, ds/dt = rs, where r is the annual rate of interest. (a) find the amount of money accrued at the end of 3 years when $4000 is deposited in a savings account drawing 5 3 4 % annual interest compounded continuously. (round your answer to the nearest cent.) $ (b) in how many years will the initial sum deposited have doubled? (round your answer to the nearest year.) years (c) use a calculator to compare the amount obtained in part (a) with the amount s = 4000 1 + 1 4 (0.0575) 3(4) that is accrued when interest is compounded quarterly. (round your answer to the nearest cent.) s = $

The purpose of safety stock is to: a. eliminate the possibility of a stockout. b. control the likelihood of a stockout due to variable demand and/or lead time. c. eliminate the likelihood of a stockout due to erroneous inventory tally. d. protect the firm from a sudden decrease in demand. e. replace failed units with good ones.