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Category: Mechanics

Question-27102

Question Number 27102 by Tinkutara last updated on 02/Jan/18 Answered by ajfour last updated on 02/Jan/18 $${let}\:{reaction}\:{force}\:{be}\:{N}. \\ $$$${N}\mathrm{sin}\:\theta={mA}\:\:\:\left({A}:\:{acc}.{of}\:{shell}\right) \\ $$$${pseudo}\:{force}\:{on}\:{particle}\:{is}\:{mA}. \\ $$$${so}\:\:\frac{{N}}{{F}_{{pseudo}} }\:=\:\frac{{mA}\mathrm{cosec}\:\theta}{{mA}}\:=\mathrm{cosec}\:\theta\:. \\…

Question-27101

Question Number 27101 by Tinkutara last updated on 02/Jan/18 Answered by mrW1 last updated on 02/Jan/18 $${y}={ut}−\frac{\mathrm{1}}{\mathrm{2}}{gt}^{\mathrm{2}} =\mathrm{0} \\ $$$$\Rightarrow{t}=\frac{\mathrm{2}{u}}{{g}} \\ $$$${x}=\frac{\mathrm{1}}{\mathrm{2}}{at}^{\mathrm{2}} =\frac{\mathrm{2}{au}^{\mathrm{2}} }{{g}^{\mathrm{2}} }…

Laws-of-Motion-question-at-ibb-co-cqq1NG-I-tried-uploading-here-but-it-doesn-t-get-uploaded-

Question Number 27075 by Tinkutara last updated on 01/Jan/18 $$\mathrm{Laws}\:\mathrm{of}\:\mathrm{Motion}\:\mathrm{question}\:\mathrm{at} \\ $$$$\mathrm{ibb}.\mathrm{co}/\mathrm{cqq1NG} \\ $$$$\mathrm{I}\:\mathrm{tried}\:\mathrm{uploading}\:\mathrm{here}\:\mathrm{but}\:\mathrm{it}\:\mathrm{doesn}'\mathrm{t} \\ $$$$\mathrm{get}\:\mathrm{uploaded}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question-27033

Question Number 27033 by Tinkutara last updated on 01/Jan/18 Answered by mrW1 last updated on 01/Jan/18 $$\left(\frac{{L}}{\mathrm{2}{h}}\right)^{\mathrm{2}} =\frac{{H}}{{H}−{h}}=\frac{{H}}{{H}−\frac{\mathrm{3}{H}}{\mathrm{4}}}=\mathrm{4} \\ $$$$\Rightarrow{L}=\mathrm{4}{h} \\ $$ Commented by mrW1…

Question-26924

Question Number 26924 by Tinkutara last updated on 31/Dec/17 Answered by mrW1 last updated on 31/Dec/17 $${k}={spring}\:{constant} \\ $$$${u}={deformation}\:{of}\:{spring}\:{under}\:{force} \\ $$$${u}_{\mathrm{2}} ={max}.\:{deformation}\:{of}\:{spring}\:{after}\:{release} \\ $$$$\frac{\mathrm{1}}{\mathrm{2}}{ku}^{\mathrm{2}} −{m}_{{A}}…

Question-26864

Question Number 26864 by Tinkutara last updated on 30/Dec/17 Answered by ajfour last updated on 31/Dec/17 $${i}\:{thought}\:{one}\:{third}\:{overhanged}. \\ $$$${Now}\:{since}\:{one}\:{third}\:{part}\:{lies}\:{on} \\ $$$${table}\:{initially},\:{we}\:{can}\:{think}\:{this} \\ $$$${transmitted}\:{to}\:{join}\:{the}\:{lower} \\ $$$${end}\:{of}\:{the}\:{hanging}\:{part}\:{by}\:{the}…

Question-26799

Question Number 26799 by 803jaideep@gmail.com last updated on 29/Dec/17 Answered by mrW1 last updated on 29/Dec/17 $${I}=\int{d}^{\mathrm{2}} {dm} \\ $$$${dm}=\rho{dV}=\rho{rdrd}\theta{dz} \\ $$$${d}^{\mathrm{2}} ={z}^{\mathrm{2}} +\left({r}\mathrm{cos}\:\theta\right)^{\mathrm{2}} ={z}^{\mathrm{2}}…