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 Dec 17 suggested approved edit on Phase of Elements Dec 16 answered Difference between Clausius-Clapeyron and Van't Hoff equation Dec 16 revised What type of substances allows the use of the Ideal Gas Law? deleted 230 characters in body Dec 9 awarded Commentator Dec 9 comment How much energy is contained in a 40 meter wave? Also, are you assuming a perfectly square wave traveling at the arbitrary speed of 19.8 m/s? Dec 8 comment How much energy is contained in a 40 meter wave? See this site, which estimates that the southeast Asia tsunami had 0.5 terawatts total power â€“ 1 gigawatt per kilometer of coastline. If the tsunami "lasted" a minute, that's about 7 kt. It also says that during the time the tsunami was only a meter high, it also traveled at 220 m/s and had a wavelength (i.e., in the direction of travel) of 300 km. Dec 8 awarded Critic Dec 5 revised How does a change in temperature affect relative humidity Add link for Clausiusâ€“Clapeyron; correct spelling. Dec 5 suggested approved edit on How does a change in temperature affect relative humidity Dec 5 comment How does cooling scale with volume? @Georg, vaporization and convection are both rolled up into the heat transfer coefficient. True, I assume that h is constant with temperature, but generally people aren't so anal about obvious back-of-the-envelope calculations. What's with the chip on your shoulder? Dec 5 comment Figuring out the force using Newton's 2nd Law Working from $F\cos(-30°)=\mu_sF_N=0.4\left[9.807\times 12-F\sin(-30°)\right]$ gives $F=70.7$. Check your math. Dec 5 revised Figuring out the force using Newton's 2nd Law Added newtonian-mechanics tag Dec 5 suggested approved edit on Figuring out the force using Newton's 2nd Law Dec 5 answered Figuring out the force using Newton's 2nd Law Dec 5 awarded Organizer Dec 5 revised How does cooling scale with volume? More descriptive title; added "heat" tag Dec 4 suggested approved edit on How does cooling scale with volume? Dec 4 revised How does cooling scale with volume? Made it 30% better. Dec 4 answered How does cooling scale with volume? Nov 24 comment 2 streams going into an engine and 2 come out. Find the enthalpy? Oh. Nevermind, then. But if you have two streams coming in at .01 kg/s, you can't have an exit stream at .109 kg/s.