Saturday
May 25, 2013

# Posts by marissa

Total # Posts: 218

Physics
that's what i thought, too. but it's not. 2n(material)t= m*(wavelength/2) going from a medium with higher n to lower n, you divide the wavelength by 2. thanks for the help, though. i eventually figured it out!

Physics
So I'm having some trouble with this problem.. Is there an equation or is it just a ratio? I'm having so many problems with this one! THANKS! What is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 531 nm light? The ...

Math
Have to do an enlargement project and enlarge an everyday item by 10 times it original size. Part of grade is level of difficulty so do not want to do something simple. Older sister did a lego piece. Need some good ideas on a item and am stumped!

Geometry
If 9 counters are 1/3, then what is ONE? HELP PLEASE!!!!!!!!!!!!!:():

Algebra I
By forming carp pools(no spaces).

physics
This is going to be hard to explain, but here goes! Four resistors, R1 = 30.0 ohm, R2 = 52.0 ohm, R3 = 93.0 ohm and R4 = 17.0 ohm, are connected to a battery with a terminal voltage of 18.0 V, as shown in the figure below. ____R1____R2__________ | | |_______R3_____________| | ...

French
I want to say "I got an A on my history test." So I am going to say "J'ai eu "A" a mon interro histoire." This is the literal way to say it, but is this correct? Merci!

math
the equation is 4(2x) to the power of negative 2 times (x to the power of 2 y) im confused can someone explain how to do it?

Organic Chemistry
How would you expect the following series of compounds to compare in behavior for SN1 vs SN2? CH3CH=CHCH2Br CH3CH2CH2Br CH3C(-Br)=CHCH3 on the last one, Br is a substituent of the C and that C is double bonded to CHCH3 Please help! Even if someone could just help me get starte...

social studies
no the southerns were living in a dept cycle

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