Recent content by deborahcurrie

Not sure what a La Tex problem is -- but you are correct on the PS

I talked with the instructor and found my error -- I just needed to adjust for units the question required. I usually catch this, but not this time. Thanks for your replies anyways. It's always good to know there is a safety line!

That was my bad. My actual equation looks like: (5E-5*5)/(1.257E-6*9000)=0.02209 which is wrong according to Mastering physics. Doesn't like 2.2E-2 either.

Homework Statement A researcher would like to perform an experiment in a zero magnetic field, which means that the field of the Earth must be cancelled. Suppose the experiment is done inside a solenoid of diameter 1.0{\rm m} , length 5.0{\rm m} , with a total of 9000 turns of wire. The...

That did it. Thanks for thinking of the tip!

Homework Statement The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions. These ions enter cells through narrow pores in the cell membrane known as ion channels. Each ion channel, which is formed...