Homework Statement
In an open U-tube, the pressure of a water column on one side is balanced by the pressure of a column of gasoline on the other side. (a) Compared to the height of the water column, the gasoline column will have (1) a higher, (2) a lower, or (3) the same height. Why? (b) If...
Total Power output Sound!
All right, nevermind, problem resumed.
. A rock band has an average intensity level of 110 dB at a distance of 15 m from the speakers. Assuming the sound is radiated equally over a hemisphere in front of the band, what is the total power output?
Relevant...
Oh and just in addition: we specifically addressed this issue in discussion and she said using "not enough information" was a completely legitimate answer...I just don't understand how it could be wrong.
Homework Statement
Before charging into my physics teachers office to demand an explanation for my being correct and yet being marked wrong I figured I should try to back up my argument.
Kim takes a trip leaving at noon and arriving at 4 pm. Here is the breakdown of her trip: 18 m/s for 3/4...