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an electric transformer is in a cylinderical tank 60cm in diameter and 1 meter high, with a flat top and bottom. If the tank transfers heat to the air only by natural convection, and the elctrical losses are dissipated, at a rate of 1kW, how many degrees will the tanks surface rise above room temperature?
A wheel has a radius of 3.6m. How far (path length) does a point on the circumference travel if the wheel is rotated by angles of 30°, 30 rad, and 30 rev, respectively.
(a) Determine the distance of the final image relative to the converging lens. (b) What is the height of the final image (including the proper algebraic sign)?
One liter of water is 41C is used to make iced tea. How much ice at 0 C must be added to lower the temperature of the tea to 17C? The specific heat of water is 1 cal/g C and latent heat of ice is 79.7 cal/g. Reply in units of g.
The rms speed of the molecules in 1.5g of hydrogen gas is 1800m/s . A:What is the total translational kinetic energy of the gas molecules, what is the rms speed of the molecules
A gas increases in pressure from 2.0 atm to 6.0 atm at a constant volume of 1.0 m3 and then expands at constant pressure to a volume of 3.0 m3 before returning to its initial state. How much work is completed in one cycle.
A 250-g ball collides with a wall. The ball's velocity and the force exerted on the ball by the wall. What is v_{{rm{f}}x}, ball's rebound velocity.
The meter stick in the drawing can rotate about an axis located at the 20.0-cm mark, Which force, F1 or F2, acts on the meter stick, and what is its magnitude
A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas?
Elucidate how academic research has influenced the development of accounting theories and the need for accounting information.
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 510m to be the other plate.
A person pushes horizontally with a force of 220 N on a 66 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.28. What is the magnitude of the frictional force
A 3.7cm x 5.8cm rectangle lies in the xz-plane, What is the electric flux through the rectangle if E = (80i + 70j) N/C
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