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March 6, 2015

March 6, 2015

Posted by **hannah** on Tuesday, January 19, 2010 at 11:00pm.

- physics -
**drwls**, Wednesday, January 20, 2010 at 1:10am(a) If one corner is on the ceiling and the opposite corner is on the floor, the straight-line distance between them is

sqrt (a^2 + b^2 + c^2) = 6.417 m

(b) How could it?

(c) Suppose it did not fly in a straight line. Then what?

(d) Can the magnitude equal the magnitude? Does 2 = 2?

(e) 2.00i + 3.70 j + 4.30 k

(f) Take the hint. There are two possible short routes to the far corner; the path length depends upon which nonadjacent wall the fly walks to first.

One route gives a minimum length of

sqrt[(4.3+3)^2 +3.7^2] = 8.18 m

and the other has a minimum length of

sqrt[(3.7+3)^2 +4.3^2] = 7.96 m

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