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When 3.78 g of nonvolatile solute is dissolved in 300.0 g ofwater, the freezing point depression is 0.646 o C. Calculate the molar mass of the solute. The cryoscopicconstant of water is 1.86 K kg mol -1.
A child complains that her milk is too hot. It is indeed too hot at 90o C. what is the temperature of the mixture
What is the magnifying power of an astronomical telescope using a reflecting mirror whose radius of curvature is 4.09m and an eyepiece whose focal length is 3.29cm
A 200m wide river flows due east at a uniform speed of 2.0m/s.A boat with a speed of 8.0m/s relative to the water leaves thesouth bank pointed in a direction 30 degrees west of north. How long does it take the boat to cross the river
An 84.4-mH inductor and a 6.27-µF capacitor are connected in series with a generator whose frequency is 361 Hz. Determine the rms voltage across the inductor
What is the frequency of the waves?
A model airplane with mass 0.743 kg is tethered to the ground by a wire so that it flies in a horizontal circle 29.7 m in radius. The airplane engine provides a net thrust of 0.810 N perpendicular to the tethering wire.
20 kg of water occupy a volume of 1 m^3 in a piston cylinder device at a pressure of 45 bars, Determine the final temperature of the water and Calculate the work and heat involved during this process
A 4.1 g coin sliding to the right at 26.2 cm/s makes an elastic head-on collision with a 12.3 g coin that is initially at rest. Find the final velocity of the other coin
question1two dogs pull horizontally on ropes attached to a post angle problem 1 between the ropes is 60.0 degrees. if
Express the highest load in terms of theta_min and other quantities given in the problem introduction.
A 0.400 glider is moving to the right on a frictionless, horizontal air track with a speed of 0.750 when it makes a head-on collision with a stationary 0.150 glider. Find the final kinetic energy of second glider
A point charge with charge q1 = 2.80?C is held stationary at the origin, How much work W is done by the electrostatic force on the moving point charge
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