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science
Asked by spring12hat, Yesterday 10:53 PM in Science for Children
what would be a catchy title for a science fair project about absorbency?
electric potential
Asked by tsgkl911, Today 12:32 AM in Physics
Twenty seven charged water droplets each with a diameter of 2 mm and a charge of 10 raised to power -12 C coalesce to form a single drop .Calculate...
transduce rodent primary cells with lentiviral constructs?
Asked by sharly, Yesterday 11:12 PM in Biology
Is it possible to transduce rodent primary cells with lentiviral constructs for stable expression of a protein of interest? We would like to express...
Science fair project title
Asked by jessierenfrow, Jan 2, 2012 01:17 PM in Other Science
What is a good title for a science fair project about what temperatured liquid dissolves Skittles the fastest?
physics questions
Asked by tsgkl911, Jun 13, 2013 09:52 PM in Physics
a rod of length L, whose lower end is resting along the horizontal plane, starts to topple from the vertical position.what will be the velocity of...
Vector Equations and Equations of Motion in Physics
Asked by timothyotoole, Jun 17, 2013 04:39 AM in Mathematics
A child's swing of length L, attached y = L + y0 above the ground, reaches a maximum heigh of y = h during the swing. I am trying to write vector...
Why do we currently have no fossils of four-legged carnivorous dinosaurs?
Asked by petesauber, Dec 9, 2011 03:31 PM in Paleontology
First of all, I am only asking this question about true dinosaurs. I am aware of, but not asking about: Pelycosaurs, which lived before the...
What should I name my Science fair project?
Asked by SP69UD, Jun 17, 2013 04:43 PM in Science for Children
It's finding out if communication really is important.
Answers to math word problems free?
Asked by lhartsoe, Sep 30, 2010 09:04 PM in Mathematics
It usually takes Brian 1 1/2 hours to get to work from the time he gets out of bed. His drive to the office takes 3/4 hour. How much time does he...
what is right solvent for 3,3'-DIAMINOBENZIDINE polymer?
Asked by khabat, Jun 17, 2013 03:29 AM in Chemistry
osmiophilic reagents like 3,3'-DIAMINOBENZIDINE polymer which is not solvable in water and alcohol and lipids, how I can solve it? what is right...
what happens when sulphuric acid is added to calcium carbonate
Asked by 1Dlover, Jun 17, 2013 12:49 AM in Chemistry
When sulphuric acid is added to calcium carbonate what does the gas produced do? Plz help me
Tennis
Asked by Kjohnson6, Jun 12, 2013 10:13 AM in Mathematics
Three kids play tennis at the same tennis courts. Mark plays every fourth day, David plays every seventh day and Brian plays every sixth day. All of...
Ask an electricity expert for free
Asked by OldGreyCrow, Feb 11, 2010 09:56 AM in Electrical Engineering
Moved into a new house two years ago. Power company now found an aluminum cable going through meter. Circuit panel has all copper going in. No...
Laws of motion
Asked by RAVEN KONG, Jun 14, 2013 11:06 PM in Physics
A monkey of mass m climbs a rope slung over a light frictionless pulley.The opposite end of the rope is tied to a block of Mass M lying on a smooth...
Can Angels In Theory Be Explained By Quantum Mechanics?
Asked by alexstrickland, Nov 8, 2009 11:59 PM in Physics
Hi there, I'm a creative writer researching whether angels/paranormal phenomena can be plausibly explained via a physics/quantum theory. ...
States with the most sunshine
Asked by matteson, Jun 9, 2006 08:57 PM in Meteorology
I have heard that Washington and Michigan are the worst states for sunshine. I would like to see a list of all 50 states that shows which has the...
chemical structure of salt
Asked by lamsey, Jun 14, 2013 09:20 AM in Chemistry
what is the chemical structure of salt?
where is the "fossil record"?
Asked by nikim1806, Jun 13, 2013 01:35 PM in Paleontology
I want to find the record of fossils of giraffes from pre-okapi to now. example pre-okapi - 2 million years old found in tanzania one level...
pump selection
Asked by boggaaj, Jun 14, 2013 08:18 AM in Mechanical Engineering
can anyone please upload the calculation procedure for selection of micro pump
projectile motion
Asked by 7318252, Jun 14, 2013 01:51 AM in Physics
A projectile's launch speed is5X speed at maximum height.Find launch angle 0.

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