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A 1.00 x 102-g mass of tungsten at 100.0°C is placed in 2.00 x 102 g of water at 20.0°C. The mixture reaches equilibrium at 21.6°C. Compute the specific heat of tungsten.
Forensic scientists can measure the muzzle velocity of a gun by firing a bullet horizontally into a large hanging block that absorbs the bullet and swings upward. What was the original speed of this bullet
a pot of hot water is boiling on your stove. the pot is in the shape of a round cylinder made of aluminum which is 10
Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths
The critical angle for total internal reflection at a liquid-air interface is 41.0. If a ray of light traveling in air has an angle of incidence of 34.5 at the interface with respect to the normal, what angle does the refracted ray in the liquid ma..
a points a and b have electric potentials of 255 v and 129 v respectively. when an electron released from rest at point
When the door of the Chapel of the Mausoleum in Hamilton, Scotland, is slammed shut, If that echo were due to a single reflection off a wall opposite the door, how far from the door would that wall be
A 200 gram aluminum can holds 150 mL of water; they are in thermal equilibrium at 68.0oC. Find the final temperature of the water-alcohol mixture
A 120-V motor has mechanical power output of 3.00 hp. It is 88.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
An ideal gas at 13.6 °C and a pressure of 1.41 x 105 Pa occupies a volume of 3.90 m3. How many moles of gas are present
A rectangular loop is 1.2 m wide and 0.80 m tall and carries 0.50 A of current clockwise. Find the net force and torque on the rectangular loop
Six concentric conducting spheres, A, B, C, D, E, and F having radii R, 2R, 3R, 4R, 5R, and 6R, respectively. Spheres B and C are connected by a conducting wire, as are spheres D and E. Determine the equivalent capacitance of this system.
The concrete wall of a building is 0.08 m thick. The temperature inside the building is 17.5°C, while the temperature outside is 0.0°C. What is the emissivity of the wall
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