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A cylinder is fitted with a piston and is in thermal contact with a heat bath at 273 K. Initially the volume in the cylinder is filled with 10 kg of pure water and about half of this is liquid and other half is solid. The piston is lowered so as to reduce the volume by 2 x 10^-5 m^3. What is the magnitude and sign of heat transferred to the bath.
Density of liquid water 10^3 kg/m^3, density of ice 0.92 x 10^3 kg/m^3, latent heat of fusion of ice 333 kJ/kg.
the x-component of a velocity vector that has an angle of 32 degrees to the x-axis has a magnitude of 6.0 ms. what is
in an rlc circuit the rms current is 7.00 a the maximum voltage 230. v and the current lags the voltage by 53 degrees.a
A bowl in the shape of half of a sphere is floating on the surface of water. The mass of the bowl is 0.8 kg. What is the outer radius of the bowl Rbowl
We are going to heat up some water. We start with 10 kg of ice at T = -20° C. What is the volume of the Steam produced
A 20.0-kg box rests on a horizontal surface. The coefficient of static and kinetic friction between the box and the surface are 0.30 and 0.10 respectively
A man throws a rock from the top of a cliff that is 80.0 m above ground level with an initial speed of 39.0 m/s at an angle of 39.0° above the horizontal. Determine the time it takes for the rock to hit the ground below the cliff. Determine the hor..
A photon whose energy is 2.6 Ã- 10âˆ'14 J is scattered off an electron at an angle of 56â. What is the wavelength of the scattered wave
An object with mass 4.0kg is executing simple harmonic motion, attached to a spring with spring constant 300N/m, Calculate the max speed obtained by the object
he triceps muscle in the back of the upper arm extends the forearm. What is the moment of inertia of the boxer's forearm
Illustrates four hypothetical collisions that take place on a level, frictionless surface. The collisions are shown from a top-view perspective - Specify the direction of the linear momentum of the rod-puck(s) system, both before and after the coll..
four identical charges 2uc each are brought from infinity and fixed to a straight line. the charges are located .4 m
suppose she starts at the top of the wave with a speed of 1.7 ms and moves down the wave until her speed increases to
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