Need HELP...due TOMORROW?
1. what can be learned by graphing the forces applied by various masses to a spring as the spring undergoes stretching? 2. what is the relationship for the period of a spring in simple harmonic motion (SHM) 3. what is the relationship for the frequencey of a spring in SHM 4. for SHM when is the kinetic energy maximum zero, and when is the elastic energy maximum zero
I need HELP my paper is due tomorrow?
Can I borrow your math ______________ to finish my homework? which one fits text (which means words) OR plot (which means sceam)
Need help tonite. chem hw due tomorrow!?
Ok, I'm a physical chemistry student, so I'm no expert, but I have some experience. Heat from cooling of 800g steam from 110C to 100C would be q = m*c*DT where q is heat, m is mass, c is heat capacity, DT is change in temp. q = 800g * 1.84J/gC * -10C q = -10kJ then to condense, q = n * -DH(v) where n is the number of moles and DH(v) is the heat of vaporization. We use a negative because we are doing the opposite of vaporizing. Then, q = (800g * mol/16g) * -40.7kJ/mol q = -2035 kJ the total heat from condensing the ice, then, is the sum -2035kJ + -10kJ = -2045kJ Then, we substitute the opposite of this heat into the heat going into the ice, namely q = m*c*DT + n*DH(f) n = m/M where M is the molar mass of H2O Where DH(f) is heat of fusion of the ice. Factor the mass of ice out q = m(c*DT + DH(f)/M) substitute the obtained & given values 2045kJ = m(2.09J/gC * 10C * kJ/1000J + 6.01kJ/mol * mol/16g) 2045kJ = m(0.02kJ/g + 0.38kJ/g) m = 5100g ice That's the solution. =] Hope this helps, even though it's a little vague. Best I can do at 5 am.
Math homework..need help...due tomorrow?
*A commitee for the end-of-year party is composed of four eighth graders and three seventh graders. A three-member subcommittee is formed. Questions: 1. How many different combinations of eighth graders could there be if there are three eighth graders on the subcommittee? 2. How many different combinations of seventh graders could there be if the subcommittee consists of three seventh graders? 3. Find the probability that all 3 members on the subcommittee are eighth graders. 4. Find the probability that all 3 members on the subcommittee are seventh graders. please help...you do not have to answer all...thanks!!!
Need help w. my math hw. Due Tomorrow* Please Help!?
Really :)) Have you ever heard of the word "calculator"? You could try one of these: http://www.calculator.com/calcs/calc_sci... http://www.motionnet.com/calculator/ :D Sorry I didn't want to be sarcastic but this "question" made me laugh... You could try to do the exercise yourself, it's easy. That's what I was doing at school 4 years ago...and now I'm 15 years old.
Need help with physics homework due tomorrow :\?
basically F from +1 charge = F from +4 charge the constant 1/4Ď€epsilon0(=9x10^9) cancels from each side of the force balancing equation proton charge cancels as well so (+1)/x^2 = (+4)/(100-x)^2 solve
I need some money for my phone bill and it is due tomorrow and I need to get some money by any means necessary. What can I do to get it?
You could go out and beg for it. Or go to a casino and gamble. All you need is the guts to do it. Go for it!
I Need Help With Chemistry Homework that's due tomorrow?!?!?
10.0 mL x ? M = 18.66 mL x 0.206 M ? M = 18.66 x 0.206 / 10.0 HCl = 0.384 M
I need help with intermediate algebra homework its due tomorrow ..please email me if u can in ill give u my sc
I can probably help u with it....I am in grade 10, skipped grades 9...reasonably good at Algebra and Trig, Geomerticaly retarded though T,T" damnedatheist@gmail.com can help u
Can anyone help me do my biology assignment that is due tomorrow?
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