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The solar panels on the roof of a house measure 4.0 meter by 6.7 meter. Suppose they convert 12 percent of the incident EM wave's energy to electrical energy.
(a) Find what average power do the panels supply when the incident intensity is 1.0 kW/m2 and the panels are perpendicular to the incident light?
kW
(b) Find what average power do the panels supply when the incident intensity is 0.80 kW/m2 and the light is incident at an angle of 56 degree from the normal?
an electron acquires 7.95times10-16j of kinetic energy when it is accelerated by an electric field from plate a to
A heavy ball and a light ball are dropped in the absence of air resistance. The lighter ball will experience a greater acceleration. The two balls will experience the same acceleration. The heavier ball will experience a greater acceleration.
A horizontal force of 20 N pulls a block of mass 3.7 kg across a level floor. The coefficient of kinetic friction between the block, what is the final speed of the block
In which one of the following circumstances does the principle of conservation of mechanical energy apply, even though anon conservative force acts on the moving object? The anon conservative force has a component that points in the same direction as..
Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 2.40 m, are floating at rest on Space Station Freedom between two metal bulkheads. Ball A carries charge q, and ball B carries charge 2q.
The small piston of a hydraulic lift has a diameter of 8.70 cm , and its large piston has a diameter of 44.0 cm. Determine the pressure applied to the fluid in the lift
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suppose a cube of aluminum which is 1.00 cm on a side accumulates a net charge of 1.80 pc.a what percentage of the
Water flows at 0.59 m/s through a pipe15 cm in diameter when the pressure is160000 Pa. Determine the waterspeed & pressure in the pipe at this point.ρwater = 1000 kg/m3
An ice skater slides (without pushing) across a frozen pond for 25.0 m before coming to a stop. If the coefficient of kinetic friction is 0.050, how fast was the skater initially moving
the density of helium gas at T=0 degrees Celcius is 0.179kg/m3. Temp is raised to 100 degrees Celcius, but pressure isconstant. calculate new density of gas
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