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A light source emits a beam of photons, each of which has a momentum of 2.3 ?? 10??29 kg??m/s.
(a) What is the frequency of the photons?
(b) To what region of the electromagnetic spectrum do the photons belong? Consult Figure 24.9 if necessary.
An initially uncharged air-filled capacitor is connected to a 4.01-V charging source, Find the capacitor's potential difference and charge after the insertion
Determined to test the law of gravity for himself, a student walks off a skyscraper 180 m high, stopwatch in hand, and starts his free fall (zero initial velocity).
A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitted into the top of the bottle, leaving no air between the cork and the water.
A projectile is shot from the edge of a cliff 115m above ground level with initial speed of 65m/s at an angle of 35 degrees with the horizontal.
The rent revenue collected in advance is the only difference, and it is not repeated in October 20X5. Is this a temporary difference? Why or why not? Illustrate what is the accounting carrying value for the unearned rent at the end of 20X4? The tax b..
A motorboat heads due east 13.3 m/s across a river that flows toward the south at a speed of 4.5m/s. Illustrate what is the magnitude of the resultant velocity relative to an observer on the shore?
A circular coil having an area of 24 cm^2 is plaved in a uniform magnetic field of 0.60T, which is derected vertically upward. Find the magnitude of the magnetic flux contained in the coil
Assume too that the bullets rebound straight back with no change in speed. What is the magnitude of the average force on Superman's chest from stream of bullets.
Two concentric hollow metal spheres have radii r1=1.50E-2 m and and r2=6.80E-2 m. At a point 9.80E-2 m from the center of the spheres, the electric field is directed outward and has a magnitude 2.08E+2 N/C. At a distance 5.80E-2 m from the center,..
What is the speed of a car going v = 1mph in SI units? Notice that you will need to change from miles to meters and from hours to seconds. You can do each conversion separately. mke Use of the facts that 1 mile = 1609m and 1hour = 3600s.
You measure an electric field of 1.35×106N/C at a distance of 0.141m from a point charge. There is no other source of electric field in the region other than this point charge. What is the electric flux through the surface of a sphere that has thi..
find the lowest frequency that make constructive interference.
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