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Light strikes a sodium surface, causing photoelectric emission. The stopping potential for the ejected electrons is 3.2 V, and the work function of sodium is 2.2 eV. What is the wavelength of the incident light?
Imagine that we drop a block of mass m from a height h above the comparatively lightweight plate supported by a vertical spring with relaxed length L and spring constant k. From what value of h would we have to drop the block to compress spring to..
A plane sinusoidal electromagnetic wave carries 16.0 J of energy through a small window of area 0.20m2 in 10.0 s. What is the intensity of the wave
how far from the woman will he be now. How various revolutions will the car have gone through when the magnitude of its total acceleration is 3.30 m/s^2.
Each plate of a parallel-plate capacitor is a square of side 3.63 cm and the plates are separated by 0.443 mm. Find the electric field strength inside the capacitor
A 0.05 kg bullet traveling at 600 m/s hits a 7.4 kg block of wood and stays in the wood. What is the velocity (speed) of the wood block immediately after the bullet hits it
q1. consider a plane wave of monochromatic green light 600 nm that is incident normally on two identical narrow slits.
During a circus performance, a 67-kg human cannonball is shot out of an 17-m-long cannon. determine the average net force exerted on him in the barrel of the cannon
Write x-versus-t equations of motion
The electric potential at a position located a distance of 19.8 mm from a positive point charge of 7.80×10-9C, Calculate the value of the second charge
A speedboat starts from rest and accelerates at +2.01 m/s2 for 6.80 s. At the end of this time, Find the total displacement of the boat
A circuit contains six 205 ohm lamps with 60 W bulbs and a 9 ohm heater connected in parallel. voltage across the circuit is 120 V.what is the current in the circuit when four lamps are turned on.
A basketball of mass 610g and circumference 76cm is rolling without slipping on a gym floor. Treating ball as a hollow sphere, what fraction of its total kinetic energy is associated with its rotational motion.
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