What was the mass of the ice cube taken from the freezer
A cube of ice is taken from the freezer at -6.3 and placed in a 106 aluminum calorimeter filled with 304 of water at room temperature of 20.0 . The final situation is observed to be all water at 17.0. What was the mass of the ice cube?
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Two people are pushing their stalled car up a hill with an incline of 2.00°. They are pushing parallel to the surface of the hill. The car's mass is 954 kg. What is the combined force they must apply to keep the car moving at a constant speed
The entrance of the straw is located at the bottom of the 15cm deep shake. What is the absolute pressure at the entrance of the straw?
Think of an organization with which you are familiar. How has that organization's ethical policies changed as the result of external pressure? Provide examples.
A rifle bullet with a muzzle speed of 300m/s is fired directly into a special dense material that stops the bullet in 28.0cm . Assuming the bullet's deceleration to be constant, what is its magnitude?
A rectangular block of ice 12 m on each side and 1.3 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. How many penguins of mass 26 kg each can stand on the ice block before they get their fe
A train is traveling up a 3.8^circ incline at a speed of 2.80 m/s when the last car breaks free and begins to coast without friction. How long does it take for the last car to come to rest momentarily?
1.00 V potential difference is maintained across a 7.0 resistor for a period of 20.0 s. What total charge passes through the wire in this time interval?
The generator emf first reach a maximum and the current first reach a maximum? The circuit contains a single element other than the generator. Is it a capacitor, an inductor, or a resistor?
A certain element has an atomic number of Z = 45. Using the Bohr model, estimate the wavelength of the Kα X-ray.
A .50-kg block, starting at rest slides down a 34.0 degree incline with kinetic friction coefficient 0.20. After sliding 85 cm down the incline, it slides across a frictionless horizontal surface and encounters a spring (k= 350 N/m). A) what is th
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