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An electron is accelerated through a potential difference of 3.00 V before colliding with a metal target. What minimum-wavelength light can such an electron emit?
The electrons in the beam of a television tube have a kinetic energy of 3.26 × 10-15 J. What is the acceleration of an electron due to this field component
Four rays of light are incident on a surface of water. Their angles of incidence are 20, 30, 45, y 60 degrees. Calculate the angle of refraction for each ray
An AC generator supplies an rms voltage of 220 V at 50.0 Hz. It is connected in series with a 0.600 H inductor, a 5.10 ?F capacitor, What is the average power dissipated in the circuit
You have been hired as a manufacturing engineer, What is the minimum coefficient of friction between the parts and the belt to ensure none of the parts slip when they are sped up by the belt
a 9.40-l container holds a mixture of two gases at 33 degc. the partial pressures of gas a and gas b respectively are
An ice sheet with area 10:0 m x 10:0 m and uniform thickness of 1.20 m floats in the Arctic Ocean. Assume that the density of ice is 917 kg/m3, Find the buoyant force acting on the ice sheet
Heat flows into an ideal gas at a constant volume. The pressure increases from 1.5 atm to 5.5 atm. What is the total change in internal energy
The only force acting on a 10.0 kg canister that is moving in an xy plane has a magnitude of 5.0 N. How much work is done on the canister by the 5.0 N force during this time
A variable-speed drill, initially turning at 400 rpm, speeds up to 1300 rpm in a time interval of 1.0 s. What is its average rotational acceleration
A train is traveling at 100 m/s. The engineer applies the brakes because he sees the Batmobile stuck on the tracks ahead. How long does it take the train to reach the Batmobile
A 23 gram bullet traveling 230m/s penetrates a 2kg block of wood and emerge clearly at 170m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after bullet emerges.
On an essentially frictionless horizontal ice-skating rink, a skater moving at 3.1m/s encounters a rough patch that reduces her speed by 42% to a friction force that is 24% of her weight
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