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A sealed glass jar contains air initially at a pressure of 1.00 atm and a temperature of 0° C. Discover the air pressure when the jar is heated to 340° C. The linear expansion coefficient of the glass is 1.03 10-5 (C°)-1.
A length of wire has a radius of 3.00 × 10 -3 m and a resistance of 0.200 ?. find the density of free electrons in the wire
A day on a distant planet observed orbiting a nearby star is 31.7 hours. Also, a year on the planet lasts 79.5 Earth days.* Calculate the average angular speed of the planet
An ice cube is dropped in a glass of oil (density= 900 kg/m^3). What fraction of the ice floats above the oil
A baseball pitcher throws a pitch with an initial velocity of 41.2 m/s, directed horizontally. How fardoes the ball drop vertically by the time it crosses the plate 18.0m away?
The coil is flipped so its plane is vertical to the magnetic field in 0.050 s. What is the magnitude of the average induced emf.
A portable CD player operates with a voltage of 8.00 V, and its power usage is 0.264 W. Find the current in the player
two 3.25-microf capacitors are connected in series across the terminals of a 50.0-hz ac generator that has a peak
A bolt drops from the ceiling of a moving train car that is accelerating northward at a rate of 1.81 m/s2. What is the acceleration of the bolt relative to the train car
When light of wavelength 380 nm falls on a cesium surface,electrons are emitted that have a maximum kinetic energy of 1.13eV. Find the work function of cesium.
A hydrogen atom initially in its ground state absorbs a photon and ends up in the n=6 state. Calculate the energy of the incident photon
A ball rolls off the edge of a horizontal tabletop, 1.70 m high. It strikes the floor at a point 1.49 m horizontally away from the edge of the table. What was its speed at the instant it left the table
consider a mass of 20kg on the left and another 10kg on the right connected by a rope and being pulled to the right
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