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Category: Mechanics

Question-43945

Question Number 43945 by ajfour last updated on 18/Sep/18 Commented by ajfour last updated on 18/Sep/18 $${The}\:{rectangular}\:{plate}\:{can}\:{swing} \\ $$$${freely}\:{about}\:{the}\:{diagonal}\:{but}\:{is} \\ $$$${at}\:{balance},\:{not}\:{turning}\:{any}\:{more}. \\ $$$$\boldsymbol{{Find}}\:\boldsymbol{{p}},\:\boldsymbol{{h}}\:\boldsymbol{{in}}\:\boldsymbol{{terms}}\:\boldsymbol{{of}}\:\boldsymbol{{a}},\boldsymbol{{b}},\boldsymbol{{d}}. \\ $$…

Question-175000

Question Number 175000 by mr W last updated on 15/Aug/22 Commented by mr W last updated on 16/Aug/22 $${an}\:{uniform}\:{rod}\:{with}\:{length}\:{L}\:{rolls} \\ $$$${over}\:{the}\:{fixed}\:{semicylinder}\:{with}\: \\ $$$${radius}\:{R}. \\ $$$${find}\:{the}\:{period}\:{of}\:{the}\:{oscillation}.…

A-50g-golf-ball-is-struck-with-a-club-moving-wit-a-velocity-of-22m-s-after-it-moves-4cm-anda-ball-accelerates-with-a-velocity-of-44m-s-estimate-the-average-force-exerted-by-the-clubn-on-the-ball-

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

Question-174728

Question Number 174728 by ajfour last updated on 09/Aug/22 Commented by ajfour last updated on 09/Aug/22 $${If}\:{rod}\:{is}\:{released}\:{as}\:{shown}\:{and} \\ $$$${rod}\:{rolls}\:{over}\:{the}\:{fixed}\:{semi}- \\ $$$${cylinder}\:{how}\:{long}\:{does}\:{it}\:{take}\:{for} \\ $$$$\:{end}\:{B}\:{to}\:{strike}\:{the}\:{ground},\:{the}\: \\ $$$${other}\:{side}?…