Category: Mechanics

Question Number 209529 by mr W last updated on 13/Jul/24 Commented by mr W last updated on 13/Jul/24 $$find{u}_{min}suchthattheballcanfly$$$$outofthewell.$$$$\left({collisions}\:{with}\:{the}\:{wall}\:{are}\:{elastic}\right)\: \…

Question Number 209359 by peter frank last updated on 08/Jul/24 Commented by mr W last updated on 08/Jul/24 $$“withaverticalvelocity{v}^{″}shouldbe$$$$“withavelocity{v}^{″}.$$$${answer}\:\frac{{v}^{\mathrm{2}} −{g}^{\mathrm{2}} {x}^{\mathrm{2}}…

Question Number 209161 by Spillover last updated on 02/Jul/24 Commented by klipto last updated on 03/Jul/24 $$$$$${\mathbf{F}}_{\mathbf{net}}=-({\mathbf{F}}_{\mathrm{g}}+\mathbf{P})$$$$\boldsymbol{\mathrm{ma}}=−\left(\boldsymbol{\mathrm{mg}}+\mathrm{0}.\mathrm{2}\boldsymbol{\mathrm{v}}^{\mathrm{2}} \right) \…

Question Number 209124 by Spillover last updated on 02/Jul/24 Answered by Spillover last updated on 02/Jul/24 Answered by Spillover last updated on 02/Jul/24 Answered by…

Question Number 209121 by Spillover last updated on 02/Jul/24 Answered by Spillover last updated on 04/Jul/24 $$r=r_0{e}^{k\theta }$$$$Incentralforcefield,$$$$theangularmomentumLisconserved$$$${L}={mr}^{\mathrm{2}} \frac{{d}\theta}{{dt}}\:\:\:\:\:{where}\:{m}={mass}\:{of}\:{the}\:{particle}…