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A beam of ultraviolet radiation, with frequency of 2.64x1015 Hz is directed on a clean metal surface. The work function of the metal is 3.40 eV. Calculate the maximum kinetic energy for an electron dislodged from the surface by the radiation.
A 400 kg car sits 2 m to the right of a fulcrum assume car is on a weightless rod, how far to the left of the fulcrum should an effort of 200 N be applied to keep the system in quilibrium.
Halfway through the process, the man and the daughter are each traveling with speeds of 1.10 m/s, with the man's velocity directed toward one end of the canoe and the daughter's velocity directed toward the other end of the canoe. what is the spee..
A bottle rocket is launched at an angle of 30 degrees from the ground with a speed of 200m/s. What is the range of the rocket if it lands on level ground
A projectile is launched with a launch angle of 65° with respect to the horizontal direction and with initial speed 14 m/s. what launch angle produces the longest time of flight
A pendulum has a mass of 3.7 kg, a length of 1.7 meters, and swings through(half)arc of 28.1 degrees. What is its amplitude to the nearest centimeter? what is the total energy of the pendulum
In a vacuum chamber the pressure is lowered to 1.0 x 10-10 mm Hg. how many molecules are in 1 cm3 in this chamber
A pot with a steel bottom 8.50mm thick rests on a hot stove. The area of the bottom of the pot is 0.150m^2. Find the temperature of the lower surface of the pot
A horizontal laser beam of wavelength 632.8 nm has a circular cross section 2.00 mm in diameter. Find the required width of the aperture
Find out the work completed by neoconservative forces in stopping plane. At the nozzle exit, diameter is 2.5 cm and the density is 1.29kg/m^3. What is the speed of the air as it leaves the nozzle.
A beam of parallel light, 1.50 mm in diameter passes through a lens with a focal length of 13.7 cm. What is the distance between the two lenses
Capacitors C1 = 5.80 µF and C2 = 2.40 µF are charged as a parallel combination across a 250 V battery. Calculate the resulting charge on each capacitor
Block 1, mass m, slides from rest down the inside of a bowl shaped container, starting from a vertical height h. The surface of the container is frictionless. To what vertical height does the combined mass slide
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