Feb 11, 2016 · When decaying by alpha emission a nucleus drops by 4 in mass number and 2 in atomic number and emits a helium nucleus (alpha particle) which has mass number 4 and atomic number 2. …

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See explanation As 5^2 + 12^2 = 13^2, the Pythagorean theorem is satisfied and we have a right angled triangle APB. This means that both AP and PB are perpendicular to AB. E_{q1} = (0.008 k)/0.05^2 = …

Mar 28, 2016 · Explanation: Given point #-> (x,y)-> (-3,10)# Given gradient #" " (m) =-2# Thus #y=mx+c" "# becomes #" " y=-2x+c# '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #color (blue ...

Approx. 190*g... By definition, rho, is given by the quotient.... rho_"density"="mass"/"volume", and thus has units of g*mL^-1-=g*cm^-3... And so we simply rearrange ...

May 15, 2017 · 36 neutrons. One way we have of differentiating between various nuclides of the same element is by writing the name of the element followed by a hyphen and the mass number of the …

Apr 2, 2017 · 28.3 ml M/V = D Mass divide by Volume = Density Mass = 540 grams Volume = unknown ml put in V Density = 19.5 g/ ml ( 540 g)/ V = (19.5 g)/ (ml) divide both sides by 19.5 grams 540 g/ …

The given expression is not a function (or even an equation). Therefore: it does not have a domain it does not have a range it does not have solutions This question seems to indicate some confusion as …

see a solution process below; From the question; Let, n = "no of water pumps" t = "time" 3n -> 8hrs 4n -> xhrs Since they flow at same rate therefore, it takes a single pump; n = 8/3 pump per hour to fill a …

Feb 13, 2018 · Try significant digits. You answer is correct. But the significant figures of your answer might not. Double check the way the numbers are written down in the original question. Is 2m written …