Menu Close

Category: Others

Question-17970

Question Number 17970 by tawa tawa last updated on 13/Jul/17 Answered by 42 last updated on 13/Jul/17 $$\mathrm{C}_{\mathrm{3}} \mathrm{H}_{\mathrm{8}} \:+\:\mathrm{5O}_{\mathrm{2}} \:\rightarrow\:\mathrm{3CO}_{\mathrm{2}} \:+\:\mathrm{4H}_{\mathrm{2}} \mathrm{O} \\ $$…

Question-17961

Question Number 17961 by ketto last updated on 13/Jul/17 Answered by alex041103 last updated on 13/Jul/17 $${Let}\:{the}\:{total}\:{amount}\:{of}\:{money}\:{be}\:{M}. \\ $$$${And}\:{the}\:{money}\:{Lightness}\:{got}\:−\:{x} \\ $$$${Then} \\ $$$${M}=\frac{\mathrm{5}}{\mathrm{11}}{M}\:+\:\left(\mathrm{1}−\frac{\mathrm{5}}{\mathrm{11}}\right)\frac{\mathrm{7}}{\mathrm{12}}{M}\:+\:{x} \\ $$$$\Rightarrow{M}=\frac{\mathrm{5}}{\mathrm{11}}{M}+\frac{\mathrm{7}}{\mathrm{22}}{M}+{x}…

If-only-downward-motion-along-lines-is-allowed-what-is-the-total-number-of-paths-from-point-P-to-point-Q-in-the-figure-below-

Question Number 17938 by Tinkutara last updated on 12/Jul/17 $$\mathrm{If}\:\mathrm{only}\:\mathrm{downward}\:\mathrm{motion}\:\mathrm{along}\:\mathrm{lines}\:\mathrm{is} \\ $$$$\mathrm{allowed},\:\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{total}\:\mathrm{number}\:\mathrm{of} \\ $$$$\mathrm{paths}\:\mathrm{from}\:\mathrm{point}\:\mathrm{P}\:\mathrm{to}\:\mathrm{point}\:\mathrm{Q}\:\mathrm{in}\:\mathrm{the} \\ $$$$\mathrm{figure}\:\mathrm{below}? \\ $$ Commented by Tinkutara last updated on 12/Jul/17…

Write-the-electronic-configuration-and-the-block-to-which-an-element-with-Z-90-belongs-

Question Number 17918 by Tinkutara last updated on 12/Jul/17 $$\mathrm{Write}\:\mathrm{the}\:\mathrm{electronic}\:\mathrm{configuration}\:\mathrm{and} \\ $$$$\mathrm{the}\:\mathrm{block}\:\mathrm{to}\:\mathrm{which}\:\mathrm{an}\:\mathrm{element}\:\mathrm{with} \\ $$$$\mathrm{Z}\:=\:\mathrm{90}\:\mathrm{belongs}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

How-do-the-electronic-configurations-of-the-elements-with-Z-107-109-differ-from-one-another-

Question Number 17919 by Tinkutara last updated on 12/Jul/17 $$\mathrm{How}\:\mathrm{do}\:\mathrm{the}\:\mathrm{electronic}\:\mathrm{configurations}\:\mathrm{of} \\ $$$$\mathrm{the}\:\mathrm{elements}\:\mathrm{with}\:\mathrm{Z}\:=\:\mathrm{107}\:−\:\mathrm{109}\:\mathrm{differ} \\ $$$$\mathrm{from}\:\mathrm{one}\:\mathrm{another}? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

A-particle-moves-in-a-straight-line-x-axis-with-the-velocity-shown-in-the-figure-Knowing-that-x-16-m-at-t-0-draw-the-a-t-and-x-t-curves-for-the-interval-0-lt-t-lt-40-s-and-determine-i-M

Question Number 17852 by Tinkutara last updated on 11/Jul/17 $$\mathrm{A}\:\mathrm{particle}\:\mathrm{moves}\:\mathrm{in}\:\mathrm{a}\:\mathrm{straight}\:\mathrm{line} \\ $$$$\left({x}-\mathrm{axis}\right)\:\mathrm{with}\:\mathrm{the}\:\mathrm{velocity}\:\mathrm{shown}\:\mathrm{in}\:\mathrm{the} \\ $$$$\mathrm{figure}.\:\mathrm{Knowing}\:\mathrm{that}\:{x}\:=\:−\mathrm{16}\:\mathrm{m}\:\mathrm{at} \\ $$$${t}\:=\:\mathrm{0},\:\mathrm{draw}\:\mathrm{the}\:{a}-{t}\:\mathrm{and}\:{x}-{t}\:\mathrm{curves}\:\mathrm{for} \\ $$$$\mathrm{the}\:\mathrm{interval}\:\mathrm{0}\:<\:{t}\:<\:\mathrm{40}\:\mathrm{s}\:\mathrm{and}\:\mathrm{determine} \\ $$$$\left(\mathrm{i}\right)\:\mathrm{Maximum}\:\mathrm{value}\:\mathrm{of}\:\mathrm{the}\:\mathrm{position} \\ $$$$\mathrm{coordinate}\:\mathrm{of}\:\mathrm{the}\:\mathrm{particle}. \\ $$$$\left(\mathrm{ii}\right)\:\mathrm{The}\:\mathrm{values}\:\mathrm{of}\:{t}\:\mathrm{for}\:\mathrm{which}\:\mathrm{the} \\…