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An insulated metal vessel of mass 5.0 kg contains 20.1 kg of water. The vessel and its contents are in thermal contact, but are thermally insulated from their environment. A 2.5 kg piece of the same metal, intitally at a temperature of 190°C is dropped into the water. If the water temperature rises from 16.0°C to 17.8°C, calculate the specific heat of the metal.
A 0.10-kg cart traveling in the positive x direction at 10.0 m/s collides with a 0.30-kg cart at rest. What is the velocity of the 0.10-kg cart
A system does 167 J of work on its environment and gains 85.5 J of heat in the process, Find the change in the internal energy of the environment
A proton with v=440 m/s is moving through a region in which the magnetic field is B=2.6T. what angle does the proton's velocity make with B
A parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 2.70, Find the minimum area of the capacitor plates
The sensor on the torso of a crash-test dummy records the magnitude and direction of the net force acting on dummy. If the dummy is thrown forward with a force of 130-N while simultaneously being hit from the side with a force of 4500N, what force..
A 6.2\({\rm ft}\) tall shopper in a department store is 18\({\rm ft}\) from a convex security mirror, What is the mirror's radius of curvature
The drum of the photocopying machine in the problem above has a length of 48 cm and a diameter of 9 cm. What is the total charge on the drum
A small insect is placed 7.90cm from a +8.00%u2212cm -focal-length lens. Calculate the position of the image
An artificial lens is implanted in a person's eye to replace a diseased lens. The distance between the artificial lens and the retina is 2.70 cm, What is the power of the implanted lens
A 6.00 g bullet is fired horizontally at two blocks resting on a smooth tabletop, as shown in the top figure, find the speed of the bullet immediately after it emerges from the first block, find the bullet's original speed
an object with a mass 2.70kg is executing simple harmonic motion, attached to a spring with spring constant k=280 N/m. What is the frequency of oscillation of the object
A blue ball is thrown upward with an initial speed of 21.6 m/s, from a height of 0.9 meters above the ground. 2.6 seconds after the blue ball is thrown, What is the maximum height the blue ball reaches
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