Determine airspeed of each plane if cities are apart
Two planes leave pittsburgh and philadelphia at same time, each going to other city. One plane flies 25mph faster than other. Determine airspeed of each plane if cities are 275 miles apart and planes pass each other after 40 minutes of flying time.
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A coffee-cup calorimeter which is having 65.0 g of water at the 71.2°C. A 15.0 g piece of metal at 20.2°C is placed in the calorimeter. The final temperature of the metal and the water is 69.3°C.
Of 493 major league players sruveyed 355 said bonds. Create a 95% confidence interval for percantage of all players who think bonds is the best hitter in baseball history.
Determine the numbers of grams of acetylene must be burned to form the enough heat to raise the temperature of 1.00 gal of water by the13.2°C if the process is79.0% efficient and assume the density of water is 1.00 g/cm3.
Discuss how would change the OH group on the glucose to methyl, CH3, groups affect its solubility in water? Determine what would be a good solvent for this molecule? Why?
One plane flies 25mph faster than other. Determine airspeed of each plane if cities are 275 miles apart and planes pass each other after 40 minutes of flying time.
Determine the emf under actual operating conditions when the partial pressure of the oxygen is 0.21 atm.
Suppose the temperature is 25degrees Celsius and a partial pressure of oxygen is the 0.21 atm. If a current of 2.1 * 10^5 A is to be drawn from a zinc-air system, what volume of the air would require to be supplied to the battery every second?
In a study of length of time that studnets need to earn bachelor degrees, 80 students ar erandomly selected adn they are found to have a mean of 4.8 years an standard deviation of 2.2 years. Develop a 95% confidence interval for population mean ti
Radium-226, which undergoes the alpha decay, has a half-life of 1600yr. Determine the numbers of alpha particles are emitted in the 1.9 min by a 6.3-mg sample of 226Ra?
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