Question Number 137148 by nadovic last updated on 30/Mar/21 Answered by ajfour last updated on 30/Mar/21 $$\left(\mathrm{3}{kg}\right)\left(\mathrm{4}{m}/{s}\right)=\left(\mathrm{3}{kg}\right){v}+\left(\mathrm{5}{kg}\right){V} \\ $$$$\left.{V}−{v}=\left(\mathrm{0}.\mathrm{6}\right)\left(\mathrm{4}{m}/{s}\right)\:\:\:\right\}×\mathrm{3} \\ $$$$\mathrm{3}{v}+\mathrm{5}{V}=\mathrm{12}{m}/{s} \\ $$$${Adding} \\ $$$$\mathrm{8}{V}=\mathrm{19}.\mathrm{2}{m}/{s}…
Question Number 71611 by ajfour last updated on 17/Oct/19 Commented by ajfour last updated on 17/Oct/19 $${Find}\:{time}\:{it}\:{takes}\:{the}\:{cylinder} \\ $$$${to}\:{unwind}\:{and}\:{slide}\:{and}\:{hit}\:{the} \\ $$$${ground}. \\ $$ Commented by…
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Question Number 71506 by ajfour last updated on 16/Oct/19 Commented by ajfour last updated on 16/Oct/19 $${Find}\:{location}\:{of}\:{center}\:{of}\:{mass} \\ $$$${of}\:{the}\:{arc}\:{of}\:{ring}. \\ $$ Answered by mr W…
Question Number 136984 by mr W last updated on 28/Mar/21 Commented by mr W last updated on 28/Mar/21 $${see}\:{Q}\mathrm{136382} \\ $$ Commented by mr W…
Question Number 71421 by ajfour last updated on 15/Oct/19 Commented by ajfour last updated on 15/Oct/19 $${Find}\:{speed}\:{of}\:{sphere}\:{as}\:{it}\:{rolls} \\ $$$${down}\:{the}\:{wedge},\:{and}\:{is}\:{about}\:{to} \\ $$$${touch}\:{the}\:{ground}.\:{Also}\:{find}\:{the} \\ $$$${least}\:{coefficient}\:{of}\:{friction}, \\ $$$${so}\:{that}\:{sphere}\:{comes}\:{rolling}\:{all}…
Question Number 71311 by ajfour last updated on 13/Oct/19 Commented by ajfour last updated on 13/Oct/19 $${Assuming}\:{elastic}\:{collision},\: \\ $$$${find}\:{d}_{{max}} \:\:{and}\:{corresponding} \\ $$$${value}\:{for}\:{x}. \\ $$ Answered…
Question Number 71052 by jagannath19 last updated on 11/Oct/19 Commented by jagannath19 last updated on 11/Oct/19 $${explain} \\ $$ Commented by mr W last updated…
Question Number 71054 by jagannath19 last updated on 11/Oct/19 Commented by jagannath19 last updated on 11/Oct/19 $${with}\:{explanation} \\ $$ Commented by mr W last updated…
Question Number 71053 by jagannath19 last updated on 11/Oct/19 Commented by jagannath19 last updated on 11/Oct/19 $${explain} \\ $$ Answered by mr W last updated…