Question Number 66621 by lalitchand last updated on 17/Aug/19 Commented by lalitchand last updated on 17/Aug/19 $$\mathrm{8}\:\mathrm{iii} \\ $$ Commented by mr W last updated…
Question Number 132102 by mr W last updated on 14/Feb/21 Commented by mr W last updated on 16/Feb/21 $${a}\:{ball}\:{is}\:{thrown}\:{from}\:{point}\:{A}\:{with} \\ $$$${speed}\:\boldsymbol{{u}}\:{and}\:{strikes}\:{at}\:{a}\:{point}\:{B} \\ $$$${on}\:{the}\:{semispherical}\:{surface}\:{with} \\ $$$${radius}\:{R}\:{and}\:{returns}\:{back}\:{to}\:{point}\:{A}.…
Question Number 132102 by mr W last updated on 14/Feb/21 Commented bymr W last updated on 16/Feb/21 $${a}\:{ball}\:{is}\:{thrown}\:{from}\:{point}\:{A}\:{with} \\ $$ $${speed}\:\boldsymbol{{u}}\:{and}\:{strikes}\:{at}\:{a}\:{point}\:{B} \\ $$ $${on}\:{the}\:{semispherical}\:{surface}\:{with} \\…
Question Number 131895 by ajfour last updated on 09/Feb/21 Commented by ajfour last updated on 09/Feb/21 $${Q}.\mathrm{131823} \\ $$ Commented by ajfour last updated on…
Question Number 131823 by mr W last updated on 09/Feb/21 Commented by mr W last updated on 10/Feb/21 $${a}\:{small}\:{sphere}\:{of}\:{mass}\:{m}\:{is}\:{released} \\ $$$${from}\:{rest}\:{at}\:{position}\:{as}\:{shown}. \\ $$$${both}\:{the}\:{sphere}\:{and}\:{the}\:{semi}\:{cylinder} \\ $$$${move}\:{without}\:{friction}.…
Question Number 66250 by Tanmay chaudhury last updated on 11/Aug/19 Answered by mr W last updated on 11/Aug/19 $${x}_{{A}} ={r}\:\mathrm{tan}\:\theta \\ $$$${u}=\frac{{dx}_{{A}} }{{dt}}=\frac{{r}}{\mathrm{cos}^{\mathrm{2}} \:\theta}×\frac{{d}\theta}{{dt}} \\…
Question Number 131767 by ajfour last updated on 08/Feb/21 Commented by ajfour last updated on 08/Feb/21 $${Find}\:{force}\:{of}\:{Normal}\:{reaction} \\ $$$${between}\:{the}\:{cylinders}\:{hanging} \\ $$$${on}\:{a}\:{belt}\:{wrap}. \\ $$ Answered by…
Question Number 131729 by ajfour last updated on 07/Feb/21 Commented by ajfour last updated on 07/Feb/21 $${Find}\:{radius}\:{of}\:{sphere}\:{of}\:{density} \\ $$$$\rho\:{that}\:{receives}\:{maximum} \\ $$$${normal}\:{reaction}\:{from}\:{wall}. \\ $$ Answered by…