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Category: Mechanics

Question-31318

Question Number 31318 by ajfour last updated on 06/Mar/18 Commented by ajfour last updated on 06/Mar/18 $${If}\:{each}\:{spring}\:{has}\:{a}\:{natural} \\ $$$${lengh}\:\boldsymbol{{l}}\:{then}\:{find}\:{comression}\:\boldsymbol{{x}} \\ $$$${in}\:{the}\:{springs}\:{in}\:{the}\:{situation} \\ $$$${depicted}\:{in}\:{figure}\:{above}. \\ $$…

Question-96817

Question Number 96817 by peter frank last updated on 05/Jun/20 Commented by mr W last updated on 06/Jun/20 $${both}\:{results}\:{in}\:{question}\:{are}\:{wrong}! \\ $$$${please}\:{check}\:{if}\:{they}\:{are}\:{your}\:{typos}\:{or} \\ $$$${question}\:{in}\:{book}\:{is}\:{really}\:{wrong}. \\ $$…

A-body-is-projected-at-an-angle-35-with-an-initial-speed-of-45m-s-What-is-the-velocity-of-the-body-after-2s-and-the-angle-made-with-the-horizontal-axis-g-9-81ms-2-

Question Number 31148 by NECx last updated on 03/Mar/18 $${A}\:{body}\:{is}\:{projected}\:{at}\:{an}\:{angle} \\ $$$$\mathrm{35}°\:{with}\:{an}\:{initial}\:{speed}\:{of}\:\mathrm{45}{m}/{s}. \\ $$$${What}\:{is}\:{the}\:{velocity}\:{of}\:{the}\:{body} \\ $$$${after}\:\mathrm{2}{s}\:{and}\:{the}\:{angle}\:{made}\:{with} \\ $$$${the}\:{horizontal}\:{axis}?\:\left[{g}=\mathrm{9}.\mathrm{81}{ms}^{−\mathrm{2}} \right] \\ $$ Commented by NECx last…

here-is-a-question-really-troubling-me-A-cylindrical-tube-rolling-down-a-slope-of-inclination-moves-a-distance-L-in-the-time-T-The-equation-relating-these-quantities-is-L-3-a-2-P-QT-2-sin

Question Number 31149 by NECx last updated on 03/Mar/18 $${here}\:{is}\:{a}\:{question}\:{really}\:{troubling} \\ $$$${me}. \\ $$$$ \\ $$$${A}\:{cylindrical}\:{tube}\:{rolling}\:{down}\:{a} \\ $$$${slope}\:{of}\:{inclination}\:\theta\:{moves}\:{a} \\ $$$${distance}\:{L}\:{in}\:{the}\:{time}\:{T}.\:{The} \\ $$$${equation}\:{relating}\:{these}\:{quantities}\:{is} \\ $$$$ \\…

A-cyclist-is-travelling-down-a-hill-at-a-speed-of-9-2m-s-The-hillside-makes-an-angle-of-6-3-with-the-horizontal-Calculate-for-the-cyclist-i-the-vertical-speed-ii-horizontal-speed-

Question Number 31143 by NECx last updated on 03/Mar/18 $${A}\:{cyclist}\:{is}\:{travelling}\:{down}\:{a} \\ $$$${hill}\:{at}\:{a}\:{speed}\:{of}\:\mathrm{9}.\mathrm{2}{m}/{s}\:.\:{The} \\ $$$${hillside}\:{makes}\:{an}\:{angle}\:{of}\:\mathrm{6}.\mathrm{3}° \\ $$$${with}\:{the}\:{horizontal}\:.{Calculate}, \\ $$$${for}\:{the}\:{cyclist}: \\ $$$$\left({i}\right){the}\:{vertical}\:{speed} \\ $$$$\left({ii}\right){horizontal}\:{speed} \\ $$ Answered…