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Light is incident of the surface of metallic sodium, whose work function is 2.3 eV. The maximum speed of the photoelectrons emitted by the surface is 3.00 × 106 m/s. What is the wavelength of the light?
A 12.7??C particle with a mass of 2.90×10?5kg moves perpendicular to a 1.01T magnetic field in a circular path of radius 23.0m, How fast is the particle moving
A 5.0-kg mass attached to a spring is displaced 8.0 cm from equilibrium position. What is the frequency of the oscillation
What is the range of wavelengths for FM radio (88 MHz to 108 MHz), What is the range of wavelengths for AM radio
A tuning fork vibrating at 516 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork while waves with a frequency of 489 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
A metal ball with a mass of 3.23·10-6 kg and a charge of +4.47 mC has a kinetic energy of 7.55·108 J. how close will it come to the plane before stopping
An ant, crazed by the sun on a hot Texas afternoon, darts over an xy plane scratched in the dirt. What are the magnitude and angle (relative to the positive x axis) of the overall displacement
A 41 cm long solenoid 1.20 cm in diameter is to produce a field of 0.395 mT at its center. How much current should the solenoid carry
a piston with mass m 2.0 kg in a car engine is in vertical simple harmonic motion with amplitude a 5.0 cm. if the
In Europe, a large circular walking track with a diameter of 0.900 km is marked in angular distances in radians. How many radians should he walk per day to maintain his daily routine
When people exercise they shed heat to the environment by sweating and radiating. calculate the rise in body temperature after one hour
A 0.8-kg mass is hanging from a spring with spring constant 19 N/m. Then the mass is displaced from the equilibrium by 2.3 cm and let go. What is the resulting period of the oscillation
Gas is confined in a tank at a pressure of 11.3 atm and a temperature of 22.5°C. what is the pressure of the gas remaining in the tank
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