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Light photon of frequency 4 x 1015 Hertz is allowed to fall on a metal surface. If the maximum kinetic energy gained by the ejected photoelectron is 11 eV then obtain the work function of the material and the stopping potential. Also determine the speed of this electron.
A 10 kilogram mass hangs on a rope wrapped around a freely rotating 2 kilogram cylinder of radius 10 centimeter. Find the accelerations of both the mass and the cylinder
a pair of oppositely charged parallel plates are separated by 5.25 mm. a potential difference of 600 v exists between
During Apollo 14, Alan Shepherd hit a golf ball on the Moon. If he hit the ball at an angle of 15° and an initial velocity of 30m/s, how far did the ball go
Find the elongation in a steel wire of length 2 meter and diameter of 9.58 x10^-2 centimeter if a mass of 8.00 kilogram is hung from it
A long, current-carrying solenoid with an air core has 1500 turns per meter of length and a radius of 0.0240 m. What is the mutual inductance of this system
Starting from rest a 92 kilogram fire fighter slides down a fire pole. Compute how far did he slide down the pole
A 100-kg steel support rod in a building has a length of 2.0 m at a temperature of 20oC. The rod supports a hanging load of 6,000 kg. Determine the work done on the rod as the temperature increases to 40oC. The change in internal energy of the rod.
A diverging lens has a focal length of absolute value 25.0 cm. Areal object is placed 3100 cm from the lens. determine whether the image is real or virtual
The primary coil of a transformer has N1 = 1.50 102 turns, and its secondary coil has N2 = 5.00 101 turns. what rms voltage is developed across the secondary coil
at a certain instant a 25-kg object is sliding eastward at a speed of 8.0 ms propelled by an eastward force of 125 n.
A pair of narrow slits, separated by 1.8 mm, is illuminated by a monochromatic light source. obtain the wavelength of the monochromatic light
A 50.0g thermometer is used to measure the temperature of 180g of water. The specific heat of the thermometer, which is mostly glass, is 750J/(kg?K) , find the actual water temperature before it was measured
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