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Two grams of 100 degree C steam are injected into a wellsealed styrofoam container that holds a mixture of 24 grams of iceand 50 grams of liquid water, both at 0 degree C.
a) How much of the ice melts and what is the equilibrium temperature of the mixture including the condensed steam?b) Repeat for a second experiment where, everything else isthe same but 5 grams of steam are injected (also at 100 degreeC). Assume (in both experiments) that no energy is absorbedby the styrofoam.
two point charges are separated by a distance of 1.5 c.m. and have charges of 2.0 micro c and 4.0 micro c respectively.
A solid cylindrical disk has a radius of 0.14 m. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. What is the mass of the disk
An electric utility company supplies a customer's house from the main power lines (120 V) with two copper wires, find the power delivered to the customer
The potential difference between the plates of a parallel capacitor is 35 V and the electric field between the plates has a strength of 750 V/m
A circular loop of wire with 10 turns, radius 0.241 m and resistance 0.235 Ohms is connected to a 13.1 V power supply. find The magnetic field at the center of this loop
A certain camera has f-numbers that range from 1.3 to 5. If the focal length of the lens is 49 mm, what is the range of aperture diameters for the camera
You have just moved into a new apartment and are trying to arrange your bedroom. You would like to move your dresser of weight 3,500 \rm N across the carpet to a spot 5 \rm m away on the opposite wall. How much work do you do on the dresser
A typical ten-pound car wheel has a moment of inertia of about 0.35 kg(m^2). What is the rotational kinetic energy of the rotating wheel
A 180 Nsphere 0.20 m in radius rolls, without slipping 6.0 m down a rampthat is inclined at 34° with thehorizontal. What is the angular speed of the sphere
Some believe that the positions of the planets at the time of birth influence the newborn. Calculate the gravitational force exerted on the baby by the planet Jupiter (m=1.9*10^27 kg) at its closest approach to the earth
An electron with an initial velocity v0 = 2.50×105 m/s enters a region 1.0 cm long, how long does the electron take to pass the accelerating region
The two stars in a certain binary star system move in circular orbits. The first star, Alpha, has an orbital speed of 36.0km/s. The second star, Beta, What is the mass of the star Beta and alpha
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