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When-a-system-of-forces-acts-on-a-body-moving-in-a-circular-path-what-happens-to-the-resultant-force-when-1-there-s-no-friction-2-there-s-friction-

Question Number 24260 by NECx last updated on 14/Nov/17 $${When}\:{a}\:{system}\:{of}\:{forces}\:{acts}\:{on} \\ $$$${a}\:{body}\:{moving}\:{in}\:{a}\:{circular}\:{path} \\ $$$${what}\:{happens}\:{to}\:{the}\:{resultant} \\ $$$${force}\:{when}: \\ $$$$\left.\mathrm{1}\right){there}'{s}\:{no}\:{friction} \\ $$$$\left.\mathrm{2}\right){there}'{s}\:{friction} \\ $$$$ \\ $$$$ \\…

what-is-limit-also-where-we-use-it-

Question Number 155331 by zakirullah last updated on 28/Sep/21 $$\mathrm{what}\:\mathrm{is}\:\mathrm{limit}?\:\mathrm{also}\:\mathrm{where}\:\mathrm{we}\:\mathrm{use}\:\mathrm{it}. \\ $$ Answered by TheHoneyCat last updated on 29/Sep/21 $$\mathrm{The}\:\mathrm{idea}\:\mathrm{of}\:{limit}\:\mathrm{is}\:\mathrm{very}\:\mathrm{very}\:\mathrm{general}. \\ $$$$\mathrm{It}\:\mathrm{is}\:\mathrm{present}\:\mathrm{in}\:\mathrm{post}\:\mathrm{fields}\:\mathrm{of}\:\mathrm{math} \\ $$$$\left(\mathrm{all}\:\mathrm{of}\:\mathrm{the}\:\mathrm{non}−\mathrm{descreet}\:\mathrm{ones},\:\mathrm{but}\:\mathrm{also}\:\mathrm{some}\:\mathrm{others}\right) \\…

lim-x-x-2-3x-x-

Question Number 155316 by ZiYangLee last updated on 28/Sep/21 $$\underset{{x}\rightarrow\infty} {\mathrm{lim}}\:\left(\sqrt{{x}^{\mathrm{2}} +\mathrm{3}{x}}−{x}\right)=? \\ $$ Answered by puissant last updated on 28/Sep/21 $$=\underset{{x}\rightarrow\infty} {\mathrm{lim}}\frac{\mathrm{3}{x}}{\:{x}+\sqrt{{x}^{\mathrm{2}} +\mathrm{3}{x}}}\:=\:\underset{{x}\rightarrow\infty} {\mathrm{lim}}\frac{{x}}{{x}}×\frac{\mathrm{3}}{\mathrm{1}+\sqrt{\mathrm{1}+\frac{\mathrm{3}}{{x}}}}…