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An isolated copper sphere of radius 3.00cm, initially uncharged, is illuminated with ultraviolet light of wavelength 180nm. If the work function for copper is 4.70eV,
what charge does the photoelectric effect induce on the sphere?
Three equal positive point charges of magnitude Q = 12.00%u03BC C are located at three corners of a square of edge length d = 11.1 cm. What is the magnitude of the attractive force on the negative charge
This question requires three answers. Three resistors are connected in parallel with a 9.0 V battery. What is the voltage drop across R2
A diesel engine does not use spark plugs to ignite the fuel and air in the cylinders. at the place of, the temperature required to ignite the fuel occurs because the pistons compress the air in the cylinders.
A series RLC circuit has a peak current of 2 A with a frequency of 87 kHZ. determine the average power of the circuit over one cycle
How long would it be on the incline before it arrives back at bottom.
Two tugboats pull a disabled supertanker. Each tug exerts a constant forace of 1.55*10^6n, What is the toal work they do on the supertanker
A 1200 crate slides 15 down a ramp that makes an angle of 30 with the horizontal.If the crate slides at a constant speed, how much thermal energy is created?
Unpolarized light passes through five successive Polaroid sheets, What is the intensity of the transmitted beam
One of the 57.5cm -long strings of an ordinary guitar is tuned to produce the note B3(frequency 245 Hz) when vibrating in its fundamental mode. Find the speed of transverse waves on this string
A rocket is traveling at speed V along the x axis of frame S. It emits a signal (for example, a pulse of light) that travels with speed c along the y' axis of the rocket's rest frame S'. What is the speed of the signal as measured in S?
A 0.347 kg particle slides around a horizontal track. The track has a smooth, vertical outer wall forming a circle with a radius of 1.59 m. What is the total number of revolutions the particle makes before stopping
A 0.150kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.710m/s, Find the magnitude of the final velocity of the 0.150 kg glider
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