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Steam at 18 MPa and 600 C is contained in a cylinder of volume 0.5 m^3. The cylinder is cooled until the pressure is 10 MPa. Calculate the heat rejcted by the steam.
For a demonstration, a professor uses a razor blade to cut a thin slit in a piece of aluminum foil. evaluate the width of the slit
For the two conducting balls as described in problem 1, when one ball is attached to a torsion balance the wire is twisted by a torsional angle of 1°. find the torsion constant of the wire
If the skier's speed at point A in the figure below is 8.1 m/s, illustrate what is the normal force exerted by the snow on the skier at point B? Ignore frictional forces.
A 0.450-kg ball is dropped from rest at a point 1.30-m above floor. The ball rebounds straight upward to a height of 0.700-m. What are the magnitude and direction of the impulse of the net force applied to the ball throughout the collision with th..
Two point charges of + 40.0 ?C and - 10.0 ?C are separated by a distance of 20.0 cm. A +7.00 ?C charge is placed midway between these two charges. What is the electric force acting on this charge
The drawing shows six point charges arranged in a rectangle. The value of q is 9.0 uC, and the distance d is 0.13 m. Find the total electric potential at location P
the four particles form a square of edge length a = 4.50 cm and have charges q1 = +25.0 nC, q2 = -50.0 nC, What net electric field do the particles produce at the square's center
A horizontal uniform bar of mass 2.7 and length 3.1 is hung horizontally on two vertical strings. String 1 is attached to the end of bar, and string 2 is attached a distance 0.7 from other end. A monkey of mass 1.6 walks from one end of the bar to th..
a sound wave of frequency 1225 hz travels through the air directly toward a wall, what is the initial wavelength of the sound
A rocket is launched at an angle of 56.0° above the horizontal with the initial speed of 101 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 28.0 m/s2. At this time, its engines fail and the rocket proceeds..
what is the distance of closest approach of the two particles. explain two ways in which you could you this equipment to raise the crate.
What is the smallest thickness of a soap film (n = 1.33) that would appear black if illuminated with 450 -nm light? suppose there is air on both sides of the soap film.
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