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When light of wavelength 350 nm is incident on a metalsurface, the stopping potential of the photoelectrons is 0.500 eV.
Part AWhat is the threshold frequency
Part BWhat is the maximum kinetic energy of the electron (ineV)?Part CWhat is the work function of the metal (in eV)
If two successive overtones of a vibrating string are 420 Hz and 480 Hz, what is the frequency of the first overtone
A barge on a still lake is moving toward a bridge at 10.0 m/s. When the bridge is 41.0 m away, the pilot slows the boat with a constant acceleration of -0.88 m/s2, Find the final velocity for each time using v = v0 + at
The pressure of an ideal gas remains at 200 Pa while 1000 joules of heat are removed and its internal energy increases by 2000 joules. What was the change in the volume of the gas
A balloon is filled with 4.75 liters of helium at a pressure of 1.05 atm and a temperature of 28.0° C. Find the acceleration of the balloon if the rubber has a mass of 4.00 g
A(n) 60-g ice cube at 0°C is placed in 730 g of water at 28°C. What is the final temperature of the mixture? °C
Two forces, vector F 1 and vector F 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 48.0 N and F2 = 39.0 N. What is the horizontal acceleration (magnitude and direction) of the block?
A thin disk of mass 4.9 kg and radius 23 cm is suspended by a horizontal axis perpendicular to the disk through its rim. Find the period of the subsequent simple harmonic motion
Gamma rays can be produced through electrons oscillating in wires of electric circuits. The Earth's atmosphere is quite transparent to infrared radiation. A vertical automobile antenna is sensitive to electric fields polarized horizontally. Visible l..
Pressure Variations and Ocean Exploration, How do the pressure variations with depth affect the ability to explore the ocean? How does it affect scuba diving
Rank the vector combinations on the basis of their angle, measured counter clockwise from the positive x axis. Vectors parallel to the positive x axis have the angle of 0. All angle measures fall between 0 and 360.
What weight of water is displaced by a 100-ton floating ship? What is the buoyant force that acts on the ship
A person hums into the top of a well and finds that standing waves are established at frequencies of 10, 30, and 50 Hz. How deep is the well
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