Question Number 133143 by Study last updated on 19/Feb/21 $${what}\:{a}\:{quantity}\:{of}\:{pressure}? \\ $$ Commented by Dwaipayan Shikari last updated on 19/Feb/21 $${Pressure}=\frac{{Force}}{{Area}}=\frac{{N}}{{m}^{\mathrm{2}} } \\ $$ Commented…
Question Number 133056 by mr W last updated on 19/Feb/21 Commented by mr W last updated on 18/Feb/21 $${a}\:{ball}\:{is}\:{thrown}\:{from}\:{point}\:{A}\:{with} \\ $$$${speed}\:\boldsymbol{{u}}\:{at}\:{an}\:{angle}\:\boldsymbol{\theta}\:{to}\:{horizontal} \\ $$$${and}\:{strikes}\:{at}\:{a}\:{point}\:{on}\:{the}\: \\ $$$${inclined}\:{plane}\:{and}\:{returns}\:{back}\:{to}…
Question Number 132365 by mr W last updated on 13/Feb/21 Commented by mr W last updated on 13/Feb/21 $${Q}\:\mathrm{132102}\:{is}\:{solved}.\:{please}\:{review}. \\ $$ Commented by Ar Brandon…
Question Number 66629 by Sayantan chakraborty last updated on 17/Aug/19 Commented by Sayantan chakraborty last updated on 09/Sep/19 $$\mathrm{Can}\:\mathrm{anybody}\:\mathrm{solve}\:\mathrm{it}??? \\ $$ Terms of Service Privacy…
Question Number 66621 by lalitchand last updated on 17/Aug/19 Commented by lalitchand last updated on 17/Aug/19 $$\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}} \\…