Category: Others

Question Number 11828 by tawa last updated on 01/Apr/17 $$\mathrm{A}\mathrm{sample}\mathrm{of}\mathrm{steam}\mathrm{at}140\mathrm{bar}\mathrm{is}\mathrm{states}\mathrm{to}\mathrm{have}\mathrm{enthalpy}\mathrm{of}3009.1\mathrm{kJ}/\mathrm{kg},$$$$\mathrm{Calculate}\mathrm{the}\mathrm{internal}\mathrm{energy}\mathrm{and}\mathrm{entropy}.$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 11791 by tawa last updated on 31/Mar/17 $$\mathrm{What}\mathrm{is}\mathrm{the}\mathrm{velocity}\mathrm{of}\mathrm{sound}\mathrm{at}100°\mathrm{C}\mathrm{if}\mathrm{the}\mathrm{velocity}\mathrm{of}\mathrm{sound}\mathrm{at}0°\mathrm{C}\mathrm{is}340\mathrm{m}/\mathrm{s}$$ Answered by mrW1 last updated on 31/Mar/17 $$v_t=v_0\sqrt{1+\frac{t}{273}}$$$$=\mathrm{340}\sqrt{\mathrm{1}+\frac{\mathrm{100}}{\mathrm{273}}} \…

Question Number 77180 by jagoll last updated on 04/Jan/20 $$$$$$$$$$\mathrm{given}\mathrm{a}\mathrm{quadratic}\mathrm{equation}$$$${3\mathrm{x}}^2-\mathrm{x}+({\mathrm{t}}^2-4\mathrm{t}+3)=0\mathrm{has}$$$$\mathrm{roots}\sin \alpha \mathrm{and}\cos \alpha .\mathrm{find}\mathrm{the}$$$$\mathrm{value}\sqrt{{\mathrm{t}}^2-4\mathrm{t}+5}.$$…

Question Number 77160 by Chi Mes Try last updated on 03/Jan/20 Commented by Chi Mes Try last updated on 03/Jan/20 $$pleasehelpout$$ Answered by…

Question Number 77147 by Rio Michael last updated on 03/Jan/20 $$\underset{r=1}{\sum ^{\mathrm{\infty }}}\frac{1}{r^k}isdivergentfor:$$$$A.k⩽1$$$$B.k>2$$$$C.k⩽2$$$$D.0⩽k<2$$ Commented…