Recent content by skivail

i need to be able to solve a problem like this for a test on monday. please solve, showing work, so i can trace your steps to teach myself. a spherical balloon is inflated so that its volume is increasing at the rate of 6ft^3/minute. how fast is the diameter of the balloon increasing when the...

please help explain, using calculus, to me for test on monday... the length of a rectangle is decreasing at 5 cm/sec and the width is increasing at 3cm/sec. naive thinking would lead one to conclude that the area of the rectangle is decreasing becasue the length is decreasing faster than the...

Please Help...test Review Problem That Wasn't In Any Homework I Can Find! i don't understand how to figure this problem out, and i really need the help. A kite is flying Y feet about the ground at the end of a 100 ft. string. the string makes an angle of (theta) with the ground. 1. find the...

oops, all of those ?'s are actually supposed to be thetas, but the computer messed it up when i posted. please help me.

i don't understand how to figure this problem out, and i really need the help. A kite is flying Y feet about the ground at the end of a 100 ft. string. the string makes an angle of ? (theta) with the ground. 1. find the equation for dY/d?. what are its units? 2. find dY/d? when Y= 50...

To prep for the upcoming AP exam, I got all of the AP Exams 1995-Present, but cannot find anywhere to check my answers for the free response sections online. Does anybody know if the answers are posted anywhere? :eek: this AP exam is going to be soo hard!

Thank you very much!

sorry...that was rude of me. I am in 11th grade trying to redo this quiz for a final trimester test review, and i can't remember at all how it was done. If i knew mesh current analysis, i certainly have forgotten it. Is there anyway to do the prob without it? if not, can you explain this "mesh...

Say What??

Anybody Know The Currents And Equations For This Problem? Please if you can, help me! I am usually very good at circuit problems but this one has me baffled! here's the link: http://www.coloradoacademy.org/~phogan/apphys/quiz/rq2_8b.htm Thanks A Lot!

Thanks. Is there anyway that you could work out part 2 so i could check my work?

Can anybody do these problems, and if you can, show and explain to me exactly how you did them? The problems involve a pendulum bob of mass m that’s attached to a massless string of length l. 1. At what angle from the vertical should the bob be released so that the tension...