Recent content by max1205

got it, thanks!

thanks!

any ideas?

does anyone have an idea?

Homework Statement A 50 uF(microfarad) capacitor that had been charged to 30 V is discharged through a resistor. Figure 31.73 (attachment) shows the capacitor voltage as a function of time. What is the value of the resistance? Homework Equations Q = Qo e^(-t/RC), o = initial...

Homework Statement Six identical capacitors with capacitance C are connected as shown in figure 30.68 (attachment). What is the potential difference between points a and b? Homework Equations C=Q/V The Attempt at a Solution The Cequivalent = 3/2 C Therefore, Q = CV...

Thank You!

Hi, I have two questions that I am stuck on involving stearic acid solutions. 1a) 0.01mL of a solution containing 2 grams per litre of stearic acid in acetone is used. What mass of stearic acid is present in this drop of solution? Solution: 0.01ML solution X (1L/1000mL...

I didn't even think of doing it like that. Thanks Astronuc!

Hey everyone, I have a homework question that I would appreciate some clarification on. Question: A 3.96g sample of magnesium carbonate decomposed to produce 1.89g of magnesium oxide. What mass of magnesium was in the sample of magnesium carbonate? Calculate the mass percent of of...

Thanks for your help guys. My professor told me today that my answers were right and the textbook was wrong. I wish she could have let us know earlier.

But still how did they get "mg" for answer #1? how did they convert this?

The correct answers according to the teextbook are: 1) 5.6 mg-m^2/s 2) 0.0817 kg-m^2/s

Hi everyone, I am stuck on two fairly easy questions that I hope someone will be able to help me with. Questions: 1) How much angular impulse must be supplied by the hamstrings to bring a leg swinging at 8 rad/s to a stop, given that the leg's moment of inertia is 0.7 kg-m^2 ? my...