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When ultraviolet light with a wavelength of 254 nm falls upon a clean metal surface, the stopping potential necessary to terminate the emission of photoelectrons is 0.181 V.
(a) What is the photoelectric threshold wavelength for this metal?
(b) What is the work function for the metal?
An air-filled parallel-plate capacitor has plates of area 2.10 cm2 separated by 0.50 mm. The capacitor is connected to a 3.0 V battery. What is the charge on the capacitor
what is the maximum mass it can support in freshwater. find the maximum height of the projectile is equal to its horizontal range.
Object A is metallic and electrically neutral, Object B is identical to object A and is also electrically neutral, It is charged by induction so that it acquires a charge of +3.18E-6 C
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons.
A basketball leaves a player's hands at a height of 2.20m above the floor. what is the range of initial speeds allowed to make the basket
one 73" c8x11.5 steel beem is connected to a 22" c8x11.5 fish plate made up of 6x15x1/4 steel plate on each side bolted togething using 3/4" structural bolts, What is the Max capacity of this beam
find the speed of the block as it hits the ground.A 4-kg ball traveling to the right with a speed of 4 m/s collides with a 5-kg ball traveling to the left with a speed of 2 m/s. What is the total momentum of the two balls after they collide.
A circuit with 2 capacitors, C1= 36.0 microF and C2=28.0microF, are hooked up in a series with each other, How much electric potential, V, is applied to the circuit
A 115 V fish-tank heater is rated at 120 W, Calculate the current through the heater when it is operating
the speed of light in a certain material is measured to be 2.2*10^8 m/s. what is the index of refraction of this material
A plane is headed east with an air speed of 272.0 m/s, Find the velocity of the plane relative to the earth
A water pipe having a 2.60 cm inside diameter carries water into the basement of a house at a speed of 0.827 m/s, find water pressure (in kPa) at the second floor
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