Question Number 155293 by peter frank last updated on 28/Sep/21 Answered by mr W last updated on 28/Sep/21 Commented by mr W last updated on…
Question Number 155294 by peter frank last updated on 28/Sep/21 Answered by peter frank last updated on 30/Sep/21 Commented by peter frank last updated on…
Question Number 155033 by peter frank last updated on 24/Sep/21 Answered by peter frank last updated on 25/Sep/21 $$\mathrm{work}\:\mathrm{done}=\gamma×\bigtriangleup\mathrm{A}=\gamma×\left(\mathrm{A}_{\mathrm{2}} −\mathrm{A}_{\mathrm{1}} \right) \\ $$$$\mathrm{A}_{\mathrm{1}} =\mathrm{4}\pi\mathrm{R}^{\mathrm{2}} \:\:=\mathrm{1}.\mathrm{256}×\mathrm{10}^{−\mathrm{3}}…
Question Number 155035 by peter frank last updated on 24/Sep/21 Answered by mr W last updated on 24/Sep/21 $${h}_{{max}} =\frac{{u}_{\mathrm{0}} ^{\mathrm{2}} \mathrm{sin}^{\mathrm{2}} \:\theta}{\mathrm{2}{g}} \\ $$$${p}.{e}.\:{at}\:{h}=\frac{{h}_{{max}}…
Question Number 155032 by peter frank last updated on 24/Sep/21 Answered by peter frank last updated on 25/Sep/21 Commented by peter frank last updated on…
Question Number 155034 by peter frank last updated on 24/Sep/21 Commented by peter frank last updated on 24/Sep/21 $$\mathrm{i}\:\mathrm{think}\:\mathrm{h}_{\mathrm{o}} ={l} \\ $$$${u}_{{o}} ={max}\:{speed} \\ $$…
Question Number 154888 by physicstutes last updated on 22/Sep/21 Answered by mr W last updated on 23/Sep/21 Commented by physicstutes last updated on 23/Sep/21 $$\mathrm{brilliant}\:\mathrm{sir}\:\mathrm{thanks}…
Question Number 154889 by physicstutes last updated on 22/Sep/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 154853 by peter frank last updated on 22/Sep/21 Answered by peter frank last updated on 23/Sep/21 Commented by peter frank last updated on…
Question Number 89319 by Rio Michael last updated on 16/Apr/20 $$\:\mathrm{A}\:\mathrm{ball}\:\mathrm{is}\:\mathrm{projected}\:\mathrm{from}\:\mathrm{a}\:\mathrm{point}\:\mathrm{O}\:\mathrm{with}\:\mathrm{an}\:\mathrm{initial} \\ $$$$\mathrm{velocity}\:{u}\:\mathrm{and}\:\mathrm{angle}\:\theta\:\mathrm{with}\:\mathrm{the}\:\mathrm{horizontal}\:\mathrm{ground}. \\ $$$$\:\mathrm{Given}\:\mathrm{that}\:\mathrm{it}\:\mathrm{travels}\:\mathrm{such}\:\mathrm{that}\:\mathrm{it}\:\mathrm{just}\:\mathrm{clears}\:\mathrm{two}\:\mathrm{walls} \\ $$$$\mathrm{of}\:\mathrm{height}\:{h}\:\mathrm{and}\:\mathrm{distances}\:\mathrm{2}{h}\:\mathrm{and}\:\mathrm{4}{h}\:\mathrm{from}\:\mathrm{O}\:\mathrm{respectively}. \\ $$$$\left(\mathrm{a}\right)\:\mathrm{find}\:\mathrm{the}\:\mathrm{tangent}\:\mathrm{of}\:\mathrm{the}\:\mathrm{angle}\:\theta \\ $$$$\:\left(\mathrm{b}\right)\:\mathrm{The}\:\mathrm{time}\:\mathrm{of}\:\mathrm{flight}\:\mathrm{of}\:\mathrm{the}\:\mathrm{ball} \\ $$$$\left(\mathrm{c}\right)\:\mathrm{The}\:\mathrm{range}\:\mathrm{of}\:\mathrm{the}\:\mathrm{ball}. \\ $$…