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A 40g block of ice is cooled to -78 deg celcius and is then added to 560g of water in an 80g copper calorimeter at a temperature of 25 degrees celcius. Determine the final temperature of the system consisting of the ice, water, and calorimeter. If not all of the ice melts, determine how much ice is left.
A liquid of refractive index 'n' is filled in a beaker of height 'h'. Find the amount by which a coin at its bottom seems to be raised.
A flight attendant pulls her 63-N flight bag a distance of 277-m along a level airport floor at a constant velocity. The force she exerts is 35N at an angle of 57° above the horizontal. Determine the work completed by the force of friction on flig..
A 10 cm long thin glass rod is uniformly charged to +50 nC. A small plastic bead, charged to - 4.8 nC, is 4.2 cm from the center of the rod. What is the magnitude of the force of the bead.
From the shape of total energy vs. time plot, what can you conclude about the conservation of mechanical energy in your mass and spring system.
An iguana that is slowing down at a uniform rate of acceleration while moving in positive direction.
To which, according to the rotational analog of Newton's second law, is the angular acceleration experienced by an object directly proportional?
What was the ray's angle of incidence on the diamond. What should be the magnitude of , so that the net work done by it and the kinetic frictional force is zero.
Two charges, and are the distance apart. These two charges are free to move but do not because there is a third charge nearby what should be the magnitude of the third charge and its placement in sequence for the first two to be in equilibrium.
What is the average kinetic energy of an ideal gas.
What is the direction of the object's acceleration after it is free. What is the magnitude of the objects acceleration.
A 0.410kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 22.0N/m . The block rests on a frictionless surface. A 6.00×10^2kg wad of putty is thrown horizontally at block, hitting it with a s..
What frequency will hear after the train passes
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