Homework Statement
I have two masses of finite width, m_1 and m_2. The force is Newton's gravity, so U = k/r. I want to work out their relevant equations of motions r_1(t) and r_2(t) as they start off from rest and collide. I don't want to consider any rotational motion.
Homework...
Thanks - I thought you were envisaging some kind of capacitor and was totally bemused by what you were suggesting.
Totally see what you're saying now. Thanks
Interesting Question:
perhaps you could model it like two parallel plates 10cm apart i.e. a parallel plate capacitor.
Q = CV and C = Area*epsilon/spacing = 0.1*epsilon (for a
So Q = 1000*0.1*epsilon = 100*epsilon
Should be easy turn amount of charge into a time given the amps.
Ok thanks both of you.
I wanted to check whether I was missing something but I wasn't. It was a typo - setting the first current to 0.91mA gives the answer in the back of the book.
Homework Statement
Power supply of EMF = E and internal resistance of R. Need E and R.
This is connected to resistor of 10'000 Ohm. The current drawn from the power supply is 0.91A.
A voltmeter of internal resistance 10'000 Ohm is connected in parallel to the resistor. The voltmeter reads...