Questions asked by 1s2s2p
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Why should an ideal voltmeter have infinite resistance, and an ideal ammeter have no resistance?

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?

Can someone explain the anticlockwise rule for electrode potentials?

Why is this capacitor useful?

A mass is bouncing on the end of a vertical spring/ Its motion will be simple harmonic if the spring: ?

How do you prove #a=v^2/r# and #a=r\omega^2# using a circle and vector diagram?

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?

What is the oxidation state of vanadium in the products? Explain how you got your answer

Why is it easier to oxidise #Fe^(2+)# to #Fe^(3+)# than it is to oxidise #Mn^(2+)# to #Mn^(3+)#?

Why are parametric equations used instead of putting it all into one cartesian equation?

Oxidation of ketones?

Why is the theoretical half life of a proton so high compared to half lifes of other subatomic particles?

How do you derive #eta=(2r^2g(rho_srho_l))/(9v)# for a sphere obeying stokes law in a liquid, falling at terming velocity so that #F+U=W#?

How do I find the pH of a diprotic acid?

Why is one a buffer solution and not the other?

In a limit, what is the difference between #lim_(x>a)#, #lim_(x>a^)#, #lim_(x>a^+)# where #ainRR#?

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#?

Why do parts of my answer randomly turn blue?

Are there any functions which are unable to be differentiated?

What makes some questions a 'practice problem' and others a 'conceptual question'?

Can someone explain why a graph of #y=sum_(n=0)^oosin(xn)# shows the enclosed area made by #y=tan(x/4)/2# and #y=tan(x/4pi/2)/2#?

How do I access my messages?

How is the angle used for parallax found?

How do you derive #g=(Gm)/r^2# and #V=(Gm)/r#?

Are there any equations relating friction to heat transfer or temperature change in an object?

What are the similarities and differences between gravitational and electric fields?

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?

What are the coordinates of the turning points of #y^3+3xy^2x^3=3#?

Why does the binding energy per nucleon suddenly decrease between helium and lithium?

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?

Why does the binding energy per nucleon increase during nuclear fission and nuclear fusion?

What is the ionic equation of lead(II) nitrate reacting with potassium chromate(VI) to form #PbCrO_4#?

Which of these pairs of molecules have similar shapes?

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#?

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?

Can someone help with a and c?

Is there any way to find answers I liked (clicked the heart button on)?

How do I find the #K_c#? (Question in description)

What's the name of the reaction that turns a haloalkane to an alkene?

Can someone explain why this happens?

What is a key question?

What was the first question to be asked on socratic?

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#?

Is it possible to evaluate #sum_(n=1)^oosqrt(4n^2x^21)/(4n^2)# in terms of #x#?

Is it possible to convert #r=3cos(3sintheta)# to Cartesian form?

Will it ever be possible to view unanswered questions for a certain topic?

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?

Vectors question?

Why does light get polarised when reflected and refracted?

Can someone explain this?