Category: Mechanics

Question Number 149733 by peter frank last updated on 06/Aug/21 Answered by Olaf_Thorendsen last updated on 07/Aug/21 $$\tau\:\mathrm{is}\:\mathrm{the}\:\mathrm{time}\:\mathrm{since}\:\mathrm{the}\:\mathrm{beginning} \\ $$$$\bullet\:\mathrm{Particule}\:\mathrm{1}\:: \\ $$$${x}_{\mathrm{1}} \:=\:−\frac{\mathrm{1}}{\mathrm{2}}{g}\tau^{\mathrm{2}} +{u}\tau \\…

Question Number 82806 by ajfour last updated on 24/Feb/20 Commented by ajfour last updated on 24/Feb/20 $$\mathrm{If}\:\mathrm{released}\:\mathrm{as}\:\mathrm{shown}\:\mathrm{by}\:\mathrm{dashed} \\ $$$$\mathrm{lines},\:\mathrm{subsequently}\:\mathrm{find}\:\theta\left(\mathrm{x}\right). \\ $$$$\mathrm{Assume}\:\mathrm{length}\:\mathrm{of}\:\mathrm{rod}\:\mathrm{L}. \\ $$ Answered by…

Question Number 82726 by mr W last updated on 23/Feb/20 Commented by mr W last updated on 23/Feb/20 $${mass}\:{m}_{\mathrm{1}} \:{and}\:{m}_{\mathrm{2}} \:{are}\:{released}\:{from}\:{the} \\ $$$${top}\:{of}\:{a}\:{wedge}\:{simutaneously}.\:{assume} \\ $$$${that}\:{mass}\:{m}_{\mathrm{1}}…

Question Number 82057 by ajfour last updated on 17/Feb/20 Commented by ajfour last updated on 17/Feb/20 $${The}\:{plane}\:{diving}\:{at}\:{speed}\:{u}\:{drops} \\ $$$${a}\:{ball}\:{which}\:{upon}\:{one}\:{bounce} \\ $$$${collides}\:{with}\:{the}\:{plane}\:{when} \\ $$$${it}\:{reaches}\:{its}\:{maximum}\:{height}. \\ $$$${Find}\:{the}\:{declination}\:{of}\:\bar…

Question Number 81804 by ajfour last updated on 15/Feb/20 Commented by ajfour last updated on 15/Feb/20 $${If}\:{tension}\:{in}\:{string},\:{T}=\frac{{mg}}{\mathrm{5}} \\ $$$${and}\:{rod}\:{rests}\:{in}\:{equilibrium}, \\ $$$${find}\:{length}\:{of}\:{string}. \\ $$ Answered by…