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A charged particle leaves the origin with a speed of 2.91 x 106 m/s at an angle of 33° above the x axis. A uniform electric field, given by = -E0, exists throughout the region.
How much energy is required to convert water at 30 GC (and at atmospheric pressure) to saturated steam at 169.06 kPa and 85% quality?
In an insulated vessel, 250 g of ice at 0C is added to 600 g of water at 18.0C. (a) What is the final temperature of the system? (b) How much ice remains when the system reaches equilibrium?
Sketch a PV diagram and find the work done by the gas during the following stages. (Draw the PV diagram on paper. Your instructor may ask you to turn in this work.)
A particular engine has a power output of 4.00 kW and an efficiency of 28.0%. Assume the engine expels 6000 J of energy in each cycle. (a) Find the energy absorbed in each cycle.
A freezer is used to freeze 3.0 L of water completely into ice. The water and the freezer remain at a constant temperature of T = 0°C. (a) Determine the change in the entropy of the water.
A Styrofoam cup holding 116 g of hot water at 1.00 102°C cools to room temperature, 16.1°C. What is the change in entropy of the room? (Neglect the specific heat of the cup and any change i
A 65 g ice cube at 0°C is heated until 40 g has become water at 100°C and 25 g has become steam at 100°C. How much energy was added to accomplish the transformation?
A 22.0 kg gold bar at 25.5°C is placed in a large, insulated 0.800 kg glass container at 15.0°C with 2.00 kg of water at 25.0°C. Calculate the final equilibrium temperature.
In an experiment, 99.0 g of aluminum (with a specific heat of 900 J/kg·K) at 93.0°C is mixed with 88.0 g of water (with a specific heat of 4186 J/kg·K) at 32.0°C, with the mixt
What is the entropy change for the drop? The specific heat of ice is 2220 J/kg•K; the specific heat of liquid water is 4190 J/kg•K; and the heat of fusion of water is 333 kJ/kg.
An expandable cylinder filled with neon, a monatomic ideal gas, initially has a volume of 3.0 L at 1.5 atm and 20 oC. Thermal energy is slowly added to the gas until the volume is 11.0 L but the pre
Two moles of neon gas initially at 33.2C and a pressure of 0.6 atm are compressed adiabatically to one-third of their initial volume. Determine the pressure following compression. AND Determine the
(a) How many atoms of helium gas fill a spherical balloon of diameter 31.0 cm at 18.0°C and 1.00 atm? (b) What is the average kinetic energy of the helium atoms?
The mercury level to rise 250mm in the tube attached to the venturi. b, What is the flow of gasoline (77degree F) that will cause the mercury level to rise 200mm in the tube.
If the critical resolved shear stress is 26.2 MPa, what applied stress (in MPa) will be necessary to cause the single crystal to yield?
Compute the final length of the specimen at this time. Compute the final specimen length when the load is increased to 29500 N (6632 lbf) and then released.
Neglecting air resistance (not a good idea if you are the batter), find how far the ball drops because of gravity by the time it reaches home plate.
Find the position vector at t = 2 s. m i + m j Give the magnitude and direction of the position vector. m ° (from the +x-axis)
Another vector has an x-component of -5 m, a y-component of -2 m and a z-component of -2 m. What is the dot-product of these two vectors?
Sketch and label a graph of the specific volume vs temperature for a pure metal that shrinks as it cools. State all assumptions made.
Determine the forces exerted by the vane on the water if v1 = 20 m/s and v o = 8 m/s. The jet is 50 mm in diameter.
What is the radioactivity due to K-40 for a person weighing 70 kg? 2. What is the radioactivity due to K-40 for all people on Erath? isotope of potassium
Calculate the number of radioactive nuclei in the sample at t=0 (A0) 2. Calculate the activity of the sample after 6 minutes 3.