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a. What is the emergent velocity of water from a crack in itscontainer 6m below the surface?
b. If the area of the crack is 1.3 cm^3, at what rate of flow does the water leave the container?
Suppose one gallon of gasoline produces 1.1 x 108 J of energy, and this energy is sufficient to operate a car for twenty miles. how many miles could the car go with that energy
The low temperature in a freezer is -20 C, and the discharge temperature is 35 C. What is the maximum theoretical coefficient of performance
A power supply maintains a potential difference of 81.5 V across a 1.01-k? resistor. What is the current in the resistor in milliamperes?
A circular parallel-plate capacitor with a spacing of 3.2 mm is charged to produce a uniform electric field with strength of 1.50 multiplied by 106 N/C. What plate radius is required if the stored charge is -15.6 µC.
Calculate the Work required (in eV) to move a stationary electron from the location r3 to r5 in a hydrogen atom
Imagine holding a really light object on top of a really massive object, and then dropping both of them at the same time onto the ground, how high will the little object bounce
an electron in the hydrogen atom is in an excited state given by n4 l3 ml2 ms12. list the possible final states the
An RC series circuit has R = 71.0 \Omega and C = 550 nF. The series combination is connected across a 250 V (rms), 64 Hz power supply. Find the impedance of the RC combination
A 4.00kg block is suspended from a spring withk=560N/m. A50.0g bullet is fired straight up into the block from directly below with a speed of168m/s, Find the amplitude of the resulting simple harmonic motion
It has been suggested that rotating cylinders about 10 mi long and 5.0 mi in diameter be placed in space and used as colonies. What angular speed should such a cylinder have so that the centripetal acceleration at its surface equals the free-fall ..
A ball of weight 1.5 N is thrown at an angle of 30° above the horizontal with an initial speed of 12 m/s. the net force (ignoring air resistance) on the ball is:
Suppose two parallel-plate capacitors have the same charge q, but the area of capacitor 1 is A and the area of capacitor 2 is 2A. what is the voltage across capacitor 2?
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