Science

Recent Answers

2009-11-21 Physics - How many times the power would a sprinter have to produce to run ten times as fast?:

You are, of course, assuming that air resistance is the main resistance to a runner's motion. At those speeds, it would indeed be significant, but you're comparing using the assumption that at human speeds

2009-11-20 Advanced Math - Graphs of Trigonometric Functions:

Questioner: Jill Country: United States Category: Advanced Math Private: No Subject: Trigonometry Question: #2 Trig - I'm having problems doing this in reverse. Could use some help.

2009-11-20 Entomology (Study of Bugs) - Sesame-seed-like eggs:

Dear Jane - I too will be most interested in learning what hatches out, as these certainly do not sound like the eggs of anything likely to be pest/parasite of pets or humans. Please take some clear photographs

2009-11-20 Entomology (Study of Bugs) - Tiny Reddish Flying Bugs:

John, "Fruit flies", or vinegar flies, don't nest per se but rather develop in some kind of rotting vegetable matter. It could be anything from a stash of apples that have gone bad to a nearby compost

2009-11-20 Basic Math - cube:

The only way I know is with a lot of pencil work. You just whittle it down. 10^3 is 1000 so you know it's more than that. 20^3 is 8000, so you know it's between 10 and 20 and it's a little closer to