Ave Ether (![[info]](http://p-stat.livejournal.com/img/userinfo.gif){kind=small} aveether) wrote,@ 2006-08-10 20:11:00 |
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Etherite Entrance Exam: Sample Question
Dave is a grumpy scientist, working on a complicated program at work, drinking unsweetened black instant coffee. Each time he is interrupted and forced to attend some pointless meeting he returns to his part drunk and now cold coffee, rather than remake it he simply dumps another spoon of coffee powder into it and tops it up with boiling water.
If the fraction of coffee he can drink between interruptions is a, the mass of coffee in a spoon m and the volume of the mug is V, 1) what is the stready state concentration of coffee he is drinking at the end of the day and 2) is he any closer to solving his problem?
Dave is a grumpy scientist, working on a complicated program at work, drinking unsweetened black instant coffee. Each time he is interrupted and forced to attend some pointless meeting he returns to his part drunk and now cold coffee, rather than remake it he simply dumps another spoon of coffee powder into it and tops it up with boiling water.
If the fraction of coffee he can drink between interruptions is a, the mass of coffee in a spoon m and the volume of the mug is V, 1) what is the stready state concentration of coffee he is drinking at the end of the day and 2) is he any closer to solving his problem?
