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A 0.030kg ice cube at 0C is placed in an insulated box thatcontains a fixed quantity of steam at 100C. When thermal equillibrium of thisclosed system is established, its temperature is gounfd to be23 C. Determine the original mass of the steam at 100C.
Each of three tuning forks, A, B, and C, has a slightly different frequency. What is the smallest possible beat frequency when B and C are sounded together
Find out (a) the coefficient of kinetic friction between m2 and the incline, (b) the acceleration of each mass, and (C) the tension in the string.
A bottle has a mass of 35.00 g when empty and 98.44 g when filled with water. When filled with another fluid, the mass is 88.78 g. What is the specific gravity of this other fluid
Two moles of a monatomic gas with an rms speed of 294 m/s are contained in a tank that has a volume of 0.12 m3. If each gas particle has a mass of 8.220 × 10^-26 kg, what is the temperature and absolute pressure of the gas?
a rock is thrown downward from the top of a building 168 ft high at an angle of 60 with the horizontal. how far from the base will the rock land
A hydrogen balloon at Earth's surface has a volume of 6.78 m3 on a day when the temperature is 26.5°C and the pressure is 1.00 x 105 N/m2. The balloon rises and expands as the pressure drops. What would the volume of the same number of moles of hydro..
A flagpole of length 11 m and mass 23 kg is hinged at one end, where it is connected to a wall. Find the tension in the cable
question a concrete cube 0.5 meters on each side is lowered beneath the surface of a lake. at what depth is the water
three children are throwing snowballs at each other. child a throws a snowball with a horizontal velocity v. if the
Suppose two identical spheres are insulated: sphere A carries +3.54Q and sphere B carries -20.2Q, What is the charge on sphere A now
A hot-air balloon is ascending at the rate of 14 m/s and is 98 m above the ground when a package is dropped over the side. How long does the package take to reach the ground
Two objects are connected by a string that passes over a frictionless pulley as shown in the figure. Assume the incline is frictionless and take m1=2.00kg, m2=6.00kg and theta=55.0 degrees. (a) Draw free-body diagrams of both objects (b) find the mag..
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