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The specific heat of aluminum is 0.215 kcal/(kgoC). A 3kg block of aluminum is heated from 10oC to150oC. What is the change in the internal energy (inunits of kcal) of the block?
Illustrate what is the absolute pressure at a point that is 9.82 cm below the ethyl alcohol-mercury interface?
Nerve propagation in your body occurs when large electric field in the cell membranes on neurons (?1.0×107 N/C) cause ions to move through the cell walls. What is the acceleration that the ion can get from this electric force
Find the electric field at the center of a square of side d = 1.0 cm with charges of q = +9.0 µC at each corner
A bicyclist rides 4.9 km due east, while the resistive force from the air has a magnitude of 3.4 N and points due west. Find the work done by the resistive force
It is 156 cm from your eyes to your toes. You're standing 212 cm in front of a tall mirror. How far is it from your eyes to the image of your toes
Anemometers (pictured) are used to measure wind speeds. Wind striking the cups causes the assembly to rotate; a gauge measures the frequency of this rotation and translates the data into wind speed. calculate the number of turns in the coil wire
A sample of 23892U is decaying at a rate of 455 decays/s . The half-life is 4.468E9yr. compute the mass of the sample
A generator has a square coil consisting of 580 turns. The coil rotates at 51 rad/s in a 0.28 T magnetic field. What is the length of one side of the coil
you are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the empire state
in the drawing suppose that the angle of incidence is 1 22.6deg the thickness of the pane is 6.94 mm and the
A Federation starship ( 2.20×10^6kg ) uses its tractor beam to pull a shuttlecraft ( 2.20×10^4kg ) aboard from a distance of 12.0km away. The tractor beam exerts a constant force of 4.0×104N on the shuttlecraft. Both spacecraft are initially at..
A sample of an unknown substance appears to weigh 15.1 N in air and 9.18 N when immersed in a solvent with density 0.945 g/mL. Find the density of the sample
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