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For the phase diagram drawn in the following Figure, identify
(a) all the possible phase transitions indicated;
(b) the freezing point of naphthalene at 0.5 fractional concentration in benzene;
(c) the sequence of events as a 0.5 mole fraction mixture of benzene and naphthalene is cooled quasistatically from 350 K to 250 K
A photographer in a helicopter ascending vertically at a constant rate of 12.5 m/s accidentally drops a camera out the window, How long will it take the camera to reach the ground
In a physics lab, light with a wavelength of 570nmtravels in air from a laser to a photocell in a time of 17.0ns. What is the wavelength of the light in the glass
A spring is mounted from the ceiling. As a mass is attached, the spring stretches 1.04 m. What will be the frequency of the resulting oscillation
The core of an optical fiber has an index of refraction of 1.27, What is the critical angle for total internal reflection at the core-cladding interface
A playground merry-go-round has a radius of 4.20 and a moment of inertia of 255, What is the work done by the child
Assume that ω is the angular velocity of the pulley at the same time. What is the kinetic energy of the system consisting of both blocks and the pulley at that time?
A laser used in a holography experiment has an average output power of 4.93 mW. Calculate the number of photons in each pulse
The space shuttle performs a retro burn for 3.5min to go from an orbital velocity of 17,500mph to re-entry velocity of 5000mph.
A baseball is hit with a speed of 33.0 ms-1 at an angle of 56.0 degrees. It land's on the flat roof of a nearby building with a height of 13 m. If the ball was hit when it was 1.7 m above the ground, what horizontal distance does it travel before it ..
The Arecibo radio telescope in Puerto Rico can detect a wave with an intensity as low as 1x10-23 W/m2. As a “best-case” scenario for communication with extraterrestrials, consider the following: Assume an advanced civilization located at point A, a d..
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to twice her weight as she goes through the dip.
Suppose the surface temperature of the Sun were 9,000 K instead of 6000 K. How much more thermal radiation would the Sun emit? What would happen to the Sun's wavelength of peak emission? What would happen to life on Earth?
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