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Air is confined at atmospheric pressure (101.3kPa) in a cylinder whole volume is 0.22 m^3. When 8.0 kcal of heat is added, the volume increases at constant pressure to 0.35m^3. Calculate the increase in internal energy of the air.
A -6.00-µC charge is moving with a speed of 6.40 104 m/s parallel to a very long, straight wire. Find the magnitude and direction of the force on the charge
A rectangular loop of wire that is 45 cm wide and 13 cm long is placed in a region where the magnetic field is B = 0.2 T, obtain the magnitude of the magnetic flux
A metal block of mass 1.220 kg is hanging from a string. The tension in the string is 7.712 N. The block is submerged in a beaker of fluid and is stationary. What is the magnitude and direction of the buoyant force acting on the block? Consider ma..
water travels through a 9.6 cm diameter fire hose with a speed of 1.3 m/s. At the end of the hose, find the speed of the water coming out of the nozzle
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. What is the radius of the brass ball
the current is an inductor is .10 A and the frequency is 750 hz. if the inductance is .080 H what is the voltage across the inductor
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. What vertical height does the puck reach above its starting point
A 30.0-g goldfinch lands on a slender branch, where it oscillates up and down with simple harmonic motion of amplitude 3.50*10^-2m and period 1.50s. What is the maximum acceleration of the finch
An open train car, with a mass of 2150 kg, coasts along a horizontal track at the speed 2.43 m/s. What is the car's speed after the loading is completed
A compact disc rotates from rest up to an angular speed of 31.4 rad/s in a time of 0.892 s. What is the magnitude of the tangential acceleration
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