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Light beams A and B are depositing the same amount of energy per square meter on a surface, but the wavelength associated with beam A is longer than that associated with beam B. The photon flux (number crossing a unit area per unit time) is:a) Greater for A than for Bb) Greater for B than for Ac) The same for A and for Bd) Cannot be determined without knowing the work function of the surface and the stopping potentials for the photoelectrons produced by each beam
A certain type of propeller blade can be modeled as a thin uniform bar 2.80m long, find the maximum angular acceleration the blade could achieve
A particle with a charge of 4.50nC is in a uniform electric field directed to the left. It is released from rest and moves to the left; What work was done by the electric force
Two small beads having positive charges24qandqare fixed at the opposite ends of a horizontal insulating rod, At what position is the third bead in equilibrium
Consider two inertial reference frames. while an observer in each frame measures the following quantities, which measurement made by two observers must yield the same results.
A bullet of mass 5.00g is fired horizontally into a wooden block of mass 1.30 kg resting on a horizontal surface. What was the initial speed of the bullet
Determine the angular speed of a speck of dirt located 1.97 cm from the center of a CD rotating inside a CD player at 263 rpm.
A particle (charge 4.0 ?C) is released from rest at a point on the x- axis, x = 5.0 cm. What is the kinetic energy of the particle at the instant
Chinook salmon are able to move through water especially fast by jumping out of the water periodically. Determine the average velocity of the fish for the entire process of jumping and swimming underwater
A 10000 kg boxcar traveling at 20 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 11 m/s. What is the mass of second car.
When a high-power laser is used in the Earth's atmosphere, At this maximum intensity, what power can be delivered in a cylindrical beam of diameter 6.56 mm
The unpolarized light of intensity I(not) is passed through two polarizers with axes oriented at 30degrees from each other. What intensity of light emerges
How is the voltage divided among resistors in parallel and What happens to resistance when resistors are connected in parallel
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