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A marble of mass 14.6 g is confined to a box 13.2 cm long and moves at a speed of 2 cm/s.
(a) What is the marble's quantum number n?
The averageintensity of sunlight at the top of the earth's atmosphere is 1390W/m2. What is the maximum energy that a 25 m multiplied by 50 m solar panelcould collect in one hour in this sunlight?
A discus thrower (with arm length of 1.2 m) starts from rest and begins to rotate counterclockwise with an angular acceleration of 1.7 rad/s2. What is the magnitude of the discus's total acceleration?
A 10-cm solid wooden cube is floating on the surface of water. Its height above water is 3.0cm. What is the buoyant force on the cube
A car has 53% of its weight on its front wheels and 47% on its rear wheels, How far from the rear axle is the car's center of gravity
The distance between two consecutive nodes of a standing wave is 20.4 cm. The hand generating the pulses moves up and down through a complete cycle 3.61 times every 5.03 s. Find the velocity of the wave. Answer in units of m/s.
A transformer on a pole near a factory steps the voltage down from 3600 V (rms) to 120 V (rms). The transformer is to deliver 2000 kW to the factory at 95% efficiency. Find values for the the power delivered to the primary
Tendons are strong elastic fibers that attach muscles to bones. To a reasonable approximation, they obey Hooke's law. In laboratory tests on a particular tendon, it was found that, when a 247 gobject was hung from it, the tendon stretched 1.25 cm ..
A transformer is to be used to provide power for a computer disk drive that needs 6.4 V (rms) instead of the 120 V (rms) from the wall outlet. Find the number of turns in the secondary
A 0.00893-kg bullet is fired straight up at a falling wooden block that has a mass of 1.80 kg. The bullet has a speed of 551 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for..
An object with a charge of 4.6 MicroC moves from moves from the top to the bottom of this page at a speed of 16.6 m/s. What is the direction of this magnetic field force
A charge of 26.0 nano coulombsis placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×10^4 N/C
Determine value of ending inventory if the sales value at splitoff method is used for product costing. Round to 3 decimal places when necessary.
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