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An air bubble has a volume of 1.80 cm3 when it is released by a submarine 120 m below the surface of a lake. What is the volume of the bubble when it reaches the surface? Assume the temperature and the number of air molecules in the bubble remain constant during its ascent. cm3 A sealed cubical container 13.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 17.0°C. Find the force exerted by the gas on one of the walls of the container.
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A sound wave generated by a source of frequency 440 Hz is moving through 25 oC air. What is the wavelength of the sound wave inside the steel
A tennis ball of mass m=0.057kg and speed v=24 m/s strikes a wall at a 45 degrees angle and rebounds with the same speed at 45 degrees. What is the direction of the impulse given to the ball
A 10-turn square coil of wire lies in the xy-plane. A uniform magnetic field of magnitude 2.0 T oriented in the negative z-direction, what is the magnitude of the induced emf in the coil during this time
A cube of side 2cm is made of material of bulk modulus 4.7\times 10^{^{5}} N/m^2. What is the new length of each of its sides
A simulated bungee jumper falls off a ledge. The plot below shows the force the bungee cord exerts on the jumper as a function of distance from the ledge. estimate the work done by the bungee cord
A charging cell phone battery requires a current of 1.60 A and power is dissipated in the battery at 7.52 W. Determine the current drawn from the wall by the charger
An airplane is flying through a thundercloud at a height of 2400 m. (Flying at this height is very dangerous because of updrafts, what is the electric field at the aircraft
A 20 wood ball hangs from a 1-long wire. The highest tension the wire can withstand without breaking is 600. A 0.90 projectile travelling horizontally hits and embeds itself in the wood ball. What is the largest speed this projectile can have with..
A 1.2 kg mass attached to a spring oscillates with amplitude of 6.3 cm and a frequency of 1.1 Hz. What is its energy of motion.
Estimate approximately the angular deflection of the muon's trajectory, given that the rest mass of muon is 100Mev and that the saturation magnetization in iron is equivalent to 1.6 x 10^23 electron moments per cm^3.
Converting sunlight to electricity with solar cells has an efficiency of 15%. What is the theoretical maximum efficiency
Two cylindrical rods have the same mass. One is made of silver (density = 10 500 kg/m3), What is the ratio (silver-to-iron) of the lengths
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