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A cylindrical container of inside diameter 0.6 meter is filled with gasoline to a depth of 2 meter. Determine what is the mass of the gasoline?
A paddle wheel frictionally adds thermal energy to an ideal monatomic gas in a sealed, insulated container. The paddle wheel is driven with a cord connected to a falling object as shown in the drawing. In this experiment, a 5.0-kg object falls during..
Consider a 1-D NaBr lattice. The frequency at the optical mode at k=pi/a is f=10.1THz. find the frequency for the optical mode at band center (k=0)
A point charge with q1 = +1.9 C is located at x = ?3.0 m, y = 0, and a second point charge with q2 = +6.5 C is at x = +1.0 m, y = +2.0 m. (a) What is the force exerted by q1 on q2? magnitude N direction ° counterclockwise from the +x-axis (b) What..
A 19g ball of clay is shot to the right (in the positive -direction) at 21m/s toward a 38g ball of clay at rest. The two balls of clay collide and stick together. Call this reference frame S. 1. What is the total momentum in frame S?
A highway curve of radius 420 is designed for traffic moving at a speed of 100. What is the correct banking angle of the road
a cube of ice is taken from the freezer at -8.2c and placed in a 92g aluminum calorimeter filled with 309g of water at
A firehose 15 m long is uncoiled by pulling the nozzle end horizontally along a frictionless surface at the steady speed of 2.9 m/s. How much work has been done on the hose by the applied force
A microscope is used to examine a sample of bacteria that are spread on glass. determine the shortest distance between two bacteria
A circular coil of wire 6.61 cm in diameter has a resistance of 3.3 ?. It is located in a magnetic ?eld of 0.15 T directed at right angles to the plane of the coil. How much electric energy is lost in the process
The temperature of the surface of a certain star is 7500K. Most hydrogen atoms at the surface of star are in the electronic ground state. What is the approximate fraction of hydrogen atoms that are in the first excited state (and therefore could e..
A heat engine operates in a Carnot cycle between 90.0°C and 360°C. It absorbs 20,400 J of energy per cycle from the hot reservoir. How much energy does it expel in each cycle by heat
Electrons are ejected from a metallic surface with speeds ranging up to 4.60 × 105 m/s when light with a wavelength of 625 nm is used. a)What is the work function of the surface? b) What is the cutoff frequency for this surface?
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