Problem related to air resistance
30-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 230 J from 460 J. How high does she rise during this interval? Neglect air resistance.
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The solubility of CO2 in water at 25 °C and PCO2 = 1 atm is 0.034 mol/L. What is its water solubility under normal atmospheric conditions (in air, carbon dioxide is about 380 ppmv) assuming that CO2 obeys Henry's law?
How did human beings first migrate to North America, what were the characteristics of early human settlement there, and how, in a general sense, did those patterns of settlement change?
What is the acceleration of a 3.0-kg bucket being lowered into a 10-m-deep well, starting from the top with the tension of the rope being 9.8-N
Ordinary Chlorine is a mixture of 75.53% of the Chlorine-35 isotope (atomic mass = 34.969 amu) and 24.47% of the Chlorine-37 isotope (atomic mass = 36.966 amu). Find the atomic mass of ordinary chlorine.
What was the significance of the Hohokam, Anasazi, and Mississippian civilizations, and what did Native American society in North America look like on the eve of contact and colonization?
What is the minimum coefficient of friction between tires and road that will allow cars to take the turn without sliding off the road? (Assume the cars do not have negative lift.)
How does your brand integrate their Twitter feeds into other areas (traditional and non-traditional) methods of promotion and how might they improve their strategy specifically?
sulfur dioxide reacts with oxygen gas to produce sulfur trioxide. What volume of oxygen gas will react with 15.0 L of sulfur dioxide if both gases are at 101.3 kPa and 125 degrees Celsius?
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