Questions asked by 1s2s2p
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Why should an ideal voltmeter have infinite resistance, and an ideal ammeter have no resistance?
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If 1m is the distance travelled by a photon in 1/cs and 1s is the time taken for light to travel c m, then what are the other SI units based on including phsyical constants?
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Can someone explain the anticlockwise rule for electrode potentials?
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Why is this capacitor useful?
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A mass is bouncing on the end of a vertical spring/ Its motion will be simple harmonic if the spring: ?
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How do you prove a=v^2/r and a=r\omega^2 using a circle and vector diagram?
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How does the variation of the period change in a compound pendulum? How does the period change with different lengths and amount of pendulums? What equations can be used in a compound pendulum?
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What is the oxidation state of vanadium in the products? Explain how you got your answer
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Why is it easier to oxidise Fe^(2+) to Fe^(3+) than it is to oxidise Mn^(2+) to Mn^(3+)?
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Why are parametric equations used instead of putting it all into one cartesian equation?
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Oxidation of ketones?
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Why is the theoretical half life of a proton so high compared to half lifes of other subatomic particles?
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How do you derive eta=(2r^2g(rho_s-rho_l))/(9v) for a sphere obeying stokes law in a liquid, falling at terming velocity so that F+U=W?
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How do I find the pH of a diprotic acid?
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Why is one a buffer solution and not the other?
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In a limit, what is the difference between lim_(x->a), lim_(x->a^-), lim_(x->a^+) where ainRR?
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Write (9x^2+26x+20)/((1+x)(2+x)^2) as partial fraction, then expand as binomials up to and including x^3. Show the expansion is roughly 5-(7x)/2+Bx^2+Cx^3?
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Why do parts of my answer randomly turn blue?
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Are there any functions which are unable to be differentiated?
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What makes some questions a 'practice problem' and others a 'conceptual question'?
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Can someone explain why a graph of y=sum_(n=0)^oo-sin(xn) shows the enclosed area made by y=tan(x/4)/2 and y=tan(x/4-pi/2)/2?
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How do I access my messages?
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How is the angle used for parallax found?
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How do you derive g=(Gm)/r^2 and V=-(Gm)/r?
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Are there any equations relating friction to heat transfer or temperature change in an object?
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What are the similarities and differences between gravitational and electric fields?
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How does density work? Why does density allow a 100kg block of ice to float on water, but a 1g steel ball to sink in water? Or a helium ballon to rise in air but a piece of paper to fall?
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What are the coordinates of the turning points of y^3+3xy^2-x^3=3?
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Why does the binding energy per nucleon suddenly decrease between helium and lithium?
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In an atom what stops the electrons from being pulled into the nucleus due to electrostatic attraction? Why are electrons able to stay in orbits without being flung off?
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Why does the binding energy per nucleon increase during nuclear fission and nuclear fusion?
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What is the ionic equation of lead(II) nitrate reacting with potassium chromate(VI) to form PbCrO_4?
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Which of these pairs of molecules have similar shapes?
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For a given function f(x)=x^a/x^b, is it correct to say that f(0)=0,1or"undefined" depending on the values of a and b?
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During the late stages of a star's life, what causes the star to expand into a red giant/supergiant, then explode into a nebula or supernova?
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Can someone help with a and c?
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Is there any way to find answers I liked (clicked the heart button on)?
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How do I find the K_c? (Question in description)
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What's the name of the reaction that turns a haloalkane to an alkene?
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Can someone explain why this happens?
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What is a key question?
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What was the first question to be asked on socratic?
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If you had an infinite number of circles, each with different radii such that r_n=1/n, ninZZ^+, nin[1,oo]. What would the total area and circumference be of all the circles combined in terms of pi?
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Is it possible to evaluate sum_(n=1)^oosqrt(4n^2x^2-1)/(4n^2) in terms of x?
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Is it possible to convert r=3cos(3sintheta) to Cartesian form?
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Will it ever be possible to view unanswered questions for a certain topic?
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How do you prove that for all values of n/p,n!=kp,kinRR, where p is any prime number that isn't 2 or 5, gives a recurring decimal?
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Vectors question?
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Why does light get polarised when reflected and refracted?
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Can someone explain this?