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MechanicsQuestion and Answers: Page 4

Question Number 176146    Answers: 1   Comments: 0

Question Number 175986    Answers: 2   Comments: 0

Question Number 175949    Answers: 1   Comments: 1

Question Number 175938    Answers: 2   Comments: 0

Question Number 175066    Answers: 1   Comments: 0

Question Number 175000    Answers: 1   Comments: 1

Question Number 174823    Answers: 1   Comments: 1

Question Number 174804    Answers: 0   Comments: 4

Please solve .

$${Please}\:{solve}\:. \\ $$

Question Number 174758    Answers: 1   Comments: 3

where am i wrong ?

$${where}\:{am}\:{i}\:{wrong}\:?\: \\ $$$$ \\ $$

Question Number 174728    Answers: 1   Comments: 3

Question Number 174351    Answers: 1   Comments: 0

Question Number 172604    Answers: 1   Comments: 0

Question Number 172603    Answers: 1   Comments: 0

Question Number 171908    Answers: 0   Comments: 4

Question Number 181522    Answers: 2   Comments: 1

Question Number 170601    Answers: 2   Comments: 1

Question Number 170546    Answers: 1   Comments: 0

Solve:quadratic equation about t: 1.h=v_0 t+(1/2)gt^2 ,2.x=v_0 t+(1/2)at^2 solve v:v^2 −v_0 ^2 =2ax

$${Solve}:{quadratic}\:{equation}\:{about}\:{t}: \\ $$$$\mathrm{1}.\mathrm{h}=\mathrm{v}_{\mathrm{0}} \mathrm{t}+\frac{\mathrm{1}}{\mathrm{2}}\mathrm{gt}^{\mathrm{2}} ,\mathrm{2}.\mathrm{x}=\mathrm{v}_{\mathrm{0}} \mathrm{t}+\frac{\mathrm{1}}{\mathrm{2}}\mathrm{at}^{\mathrm{2}} \\ $$$$\mathrm{solve}\:\mathrm{v}:{v}^{\mathrm{2}} −{v}_{\mathrm{0}} ^{\mathrm{2}} =\mathrm{2}{ax} \\ $$

Question Number 170284    Answers: 0   Comments: 6

Question Number 170120    Answers: 1   Comments: 2

Question Number 170028    Answers: 0   Comments: 1

verify that ⟨p_x ∣x^ ∣Ψ⟩=ih(d/dp_x )<p_x ∣Ψ>

$${verify}\:{that}\:\:\langle{p}_{{x}} \mid\hat {{x}}\mid\Psi\rangle={ih}\frac{{d}}{{dp}_{{x}} }<{p}_{{x}} \mid\Psi> \\ $$

Question Number 170015    Answers: 1   Comments: 0

verify that the force F=xyi+xyj+yzk is conservative

$${verify}\:{that}\:{the}\:{force}\: \\ $$$$\:{F}={xyi}+{xyj}+{yzk}\:{is} \\ $$$$\:{conservative} \\ $$

Question Number 170005    Answers: 2   Comments: 3

Question Number 169458    Answers: 2   Comments: 1

Question Number 169448    Answers: 1   Comments: 9

Question Number 169317    Answers: 2   Comments: 3

Question Number 169205    Answers: 0   Comments: 0

(√(91))

$$\sqrt{\mathrm{91}} \\ $$

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