How many centimeters are in four meters? - Socratic
Mar 11, 2018 · "400 cm" >>"1 m = 100 cm" "4 m" = 4 cancel"m" × "100 cm"/(1 cancel"m") = "400 cm" ∴ There are 400 centimetres in 4 metres.
A pulley system with 75% efficiency is set up to lift a 21kg
Dec 3, 2015 · IMA=3 The mechanical advantage (MA) of a machine is a measure of how much the force is multiplied. It is the ratio of load/effort: MA=L/E Because energy is conserved, this …
How do you calculate the number of grams of substance needed …
Dec 25, 2016 · Here's how you can do that. Start by calculating how many moles of sodium hydroxide you need in order to have "50 cm"^3 of "2 mol dm"^(-3) solution. As you know, …
Two charged particles located at - Socratic
Feb 18, 2016 · q_3 need to be placed at a point P_3 (-8.34, 2.65) about 6.45 cm away from q_2 opposite the attractive line of Force from q_1 to q_2.
How do you solve this system of equations: #2m - n = 13 and 3m
Oct 23, 2017 · See a solution process below: Step 1: Solve the first equation for n: 2m - n = 13 -color(red)(2m) + 2m - n = -color(red)(2m) + 13 0 - n = -2m + 13 -n = -2m + 13 color ...
What are the factors of 2m^3+3m^2+4m+6? - Socratic
Nov 9, 2014 · 2m^3+3m^2+4m+6 by factoring m^2 out of the first two terms and 2 out of the last two terms, =m^2(2m+3)+2 ...
The diagonal of a rectangle measures 25cm. The width of the
Oct 14, 2015 · The height (length) is "24 cm". The diagonal of a right triangle is the hypotenuse and is designated as side c. The width of a right triangle is side b, and the height is side a. You …
A solution is made by mixing 500mL of .3M benzoic acid and
Dec 30, 2016 · "pH" = 4.0 As you know, a solution's molarity, or molar concentration, is calculated by taking the number of moles of solute present in "1 L" of solution. This basically means that …
How do you evaluate #log_5 (5^-1)#? - Socratic
Oct 29, 2016 · Use the rule loga^n = nloga. = -1log_5(5) Use the change of base rule log_a(n) = logn/loga. =-1log5/log5 =-1 Hopefully this helps!
Determination of the relative molecular mass of compound (a
Nov 17, 2017 · We dissolved an unknown monobasic organic acid A in exactly #"50.0 cm"^3# of 0.93 mol/L #"NaOH"#. Then we ...