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A calorimeter contains 1.5 kg of water at a temperature of 20 ?C. One places 1 kg of ice at a temperature of -10 ?C in the calorimeter. Once thermal equilibrium is reached, what is the temperature in the calorimeter? The heat capacity of the calorimeter is negligible. The heat capacity of water and ice are, respectively, 4200 J/kg·K and 2100 J/kg·K. The heat of fusion of ice is 334 kJ/kg. Solve the above problem for the case when the ice has a mass of 0.1 kg.
a pipe discharges wine into a 1.5 m diameter tank. another pipe 15 cm diameter located near the base of the tank is
A sound source emits sounds of frequency 210Hz that travel by still air at 340m/s. The listener moves at 75 m/s relative to still air toward the stationary source. What is wavelength of the sound between the source and the listener.
A fan blade rotates with angular velocity given by ?z(t)= ? ? ? t2, where ? = 5.45rad/s and? = 0.835 rad/s3. Calculate the angular acceleration as a function of time
Water is poured into a long glass tube closed at one end. What length of air column should be left above the water level if the column is to reinforce and resonate at a frequency of 440 Hz?
Sociologists explain deviance by three (3) major perspectives: biological, functional conflict, and symbolic interaction. Identify your role, for example, as a parent and which perspective best reflects your personal experience. Discuss the main r..
A direction that causes the rod to rotate on the axle
Determine the theoretical equation for the dependence of Period of the Physical Pendulum to location of the pivot point for a solid bar of length L. This will be T(x) - Period as a function of pivot point position. Mathematically determine minima ..
Jupiter makes one complete orbit of the Sun every 11.9 years. Calculate the radius of the orbit of Jupiter
A vessel whose walls are thermally insulated contains 2.3 kg of water and 0.35 of ice, all at the temperature of 0.0 . The outlet of a tube leading from a boiler in that water is boiling at atmospheric pressure is inserted into the water. How many..
A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance of 1 m from the end of the track after falling the vertical distance 1.25 m from the end of the track.
Two point charges are separated by 10.0 cm and have charges of +2.00 and -2.00 Coulombs. What is the electric field at a point midway between the two charges
A Piton tube can be used to calculate the velocity of air flow by measuring the difference between the total pressure and the static pressure. calculate the speed of air flow
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