Category: Mechanics

Question Number 109207 by aurpeyz last updated on 21/Aug/20 $$$$$$\mathrm{A}50\mathrm{g}\mathrm{golf}\mathrm{ball}\mathrm{is}\mathrm{struck}\mathrm{with}\mathrm{a}\mathrm{club}\mathrm{moving}$$$$\mathrm{wit}\mathrm{a}\mathrm{velocity}\mathrm{of}22\mathrm{m}/\mathrm{s}\mathrm{after}\mathrm{it}\mathrm{moves}4\mathrm{cm}\mathrm{anda}$$$$\mathrm{b}a\mathrm{ll}\mathrm{accelerates}\mathrm{with}\mathrm{a}\mathrm{velocity}\mathrm{of}44\mathrm{m}/\mathrm{s}$$$$\mathrm{estimate}\mathrm{the}\mathrm{average}\mathrm{force}\mathrm{exerted}\mathrm{by}\mathrm{the}\mathrm{clubn}$$$$\mathrm{o}n\mathrm{the}\mathrm{ball}$$ Answered by aurpeyz…

Question Number 174728 by ajfour last updated on 09/Aug/22 Commented by ajfour last updated on 09/Aug/22 $$Ifrodisreleasedasshownand$$$$rodrollsoverthefixedsemi-$$$$cylinderhowlongdoesittakefor$$$$endBtostriketheground,the$$$${other}\:{side}?…

Question Number 109167 by Dwaipayan Shikari last updated on 21/Aug/20 Answered by mr W last updated on 21/Aug/20 $$ball:$$$$beforecollision{v}_i=\sqrt{2gl}$$$${after}\:{collision}\:{v}_{{f}} =\sqrt{\mathrm{2}{gl}\left(\mathrm{1}−\mathrm{cos}\:\theta\right)}…

Question Number 108922 by ajfour last updated on 20/Aug/20 Commented by ajfour last updated on 20/Aug/20 $$Neglectfriction.Find$$$$initialaccelerationofM.$$ Answered by mr W…

Question Number 174351 by ajfour last updated on 30/Jul/22 Answered by mr W last updated on 01/Aug/22 Commented by mr W last updated on 01/Aug/22…