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When light of wavelength 370 nm falls on a barium surface, electrons having a maximum kinetic energy of 0.86 eV are emitted. Find values for the following.
a) the work function of bariumeVb) the cutoff wavelengthnmc) the frequency corresponding to the cutoff wavelengthHz
Birds resting on high-voltage power lines are a common sight.The copper wire on which a bird stands is 2.1 cm in diameter and carries a current of52 A. calculate the potential difference across its body
A spring with constantk = 40 N/m is at thebase of a frictionless, 30 inclined plane. how far does it go up the incline before it stops
A baskerball player makes a jump shot. The 0.600 kg ball is released at a height of 2.0 m above the floor with a speed of 7.20 m/s. What is the work done on the ball by air resistance
A circular loop of wire of radius 12.5 cm is placed in a magnetic field directed perpendicular to the plane of the loop, calculate the magnitude of the emf induced in the loop
Dan is gliding on his skateboard at 4.00 m/s. He suddenly jumps backward off the skateboard, How fast is Dan going as his feet hit the ground
you height of your eyes above the water 1.75 m are standing 2.00 m from the edge of a 2.50 m deep swimming pool. you
For a particular RLC series circuit, the capacitive reactance is 9.75 ?, the inductive reactance is 42.7 ?, What is the maximum voltage across the circuit?
The platter of a computer hard drive disk rotates at 5400rpm.
an electron moving with a speed of 4.2 x 105 ms in the positive x direction experiences zero magnetic force. when it
A proton is located at the origin, and a second proton is located on the x-axis at x=6.00 fm. (a) compute the electric potential energy associated with this configuration.
The electric field between two square metal plates is 130 N/C. The plates are 1.0 m on a side and are separated by 3.0 cm, Calculate the charge on each plate
A 5 kg piece of metal displaces 0.75 L of water when submerged. What is the buoyant force on the piece of metal
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