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Air that initially occupies 0.47 m3 at a gauge pressure of 100 kPa is expanded isothermally to a pressure of 101.3 kPa and then cooled at constant pressure until it reaches its initial volume. Compute the work done by the air. (Gauge pressure is the difference between the actual pressure and atmospheric pressure.).
A uniform plank of length 4.30 m and weight 226 N rests horizontally on two supports, with 1.10 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 437 N walk on overhanging part of the plank be..
A 0.5m^3 adiabatic tank contains steam at 1000 kPa and 350 C, Determine the final steam in the tank and the mass discharged
A 25.0-mW laser beam of diameter 2.00 mm is reflected at normal incidence by a perfectly reflecting mirror
Illustrate what is the maximum height of each ball after the elastic collision? What are the coordinates of the CM of the two balls when the lighter ball was pulled up? Consider the heavier ball to be at the origin before the collision.
A hollow cubical box is 0.30 m on an edge. What is the depth of the water in the box just at the instant that water from the lake begins to pour into the box from the lake
A dentist uses a mirror to examine a tooth. The tooth is 1.01 cm in front of the mirror, and the image is formed 10.9 cm behind the mirror. Determine the mirror's radius of curvature
explain the separation between the two sources. What is the displacement of the car between 3 P.M. and 6 P.M.
Two speakers emit sound waves with frequency of 418 Hz. They are driven by the same oscillator so that they are in phase with each other. How far apart are the antinodes in that standing wave
A toroidal solenoid has 550 turns, cross-sectional area 7.00cm2 , and mean radius 4.90cm, Calcualte the coil's self-inductance
In a women's 100-m race, accelerating uniformly, Laura takes 1.98 s and Healan 3.17 s to attain their maximum speeds, What is the maximum distance by which Healan is behind Laura
What would be the fundamental frequency on a piece of the same string that is twice as long and has four times the tension
A teeter-totter is made of a 3.200 m long plank with a mass of 60.0 kg, what mass must be placed at the left end so that the teeter-totter is balanced
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