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two light sources are utilized in a photoelectric experiment to decide the work function for a particular metal surface
an fm radio transmitter has a power output of 130 kw and operates at a frequency of 9600 mhz how many photons per
a spring with a spring constant of 19times102nm is attached to a16 kg mass and then set in motion1 what is the
the body of a 1284 kg car is supported on a frame with four springs the spring constant of a single spring is
two circular coils are concentric and lie in the same plane the inner coil contains 120 turns of wire has a radius of
a proton and a deuteron are accelerated from rest during the same potential dissimilarity a deuteron consists of a
a pair of narrow parallel slits separated by 0240 mm are illuminated with the green component from a mercury vapor lamp
light of wavelength 600 nm falls on a 045 mm wide slit and forms a diffraction pattern on a screen 15 m awaya discover
the size of your eardrum the tympanum partially determines the upper frequency limit of your audible region usually
a unknown mass of silver is pulled from a furnace where the temperature was 900 degrees celsius and placed on a very
a futuristic design for a car is to have a large disk-like flywheel within the car storing kinetic energy the flywheel
a resistor has a resistance r and a battery has an internal resistance r when the resistor is connected across the
a uniform plank the length of 61 m weight of 445 n rests on the ground and a frictionless roller at the top of a wall
a 30 g bullet traveling at 350 ms hits a tree and slows down uniformly to a stop while penetrating a distance of 12 cm
a charged cloud system produces an electric field in the air near earths surface a particle of charge -16 x 10-9 c is
a straight ladder is leaning against the wall of a house the ladder has rails 480 meter long joined by rungs 5200 meter
a 26 newton block rests on a horizontal surface the coefficients of kinetic and static friction between the surface and
a merry-go-round is stationary a dog is running on the ground just outside its circumference moving with a constant
a ferris wheel is moving at an initial angular velocity of 10rev38 second if the operator then brings it to a stop in
the flywheel of an automobile engine is a solid disk with a mass of 86 kilogram and a radius of 20 centimeter and is
a rotating wheel requires 50 second to complete 50 revolutions its angular speed at the end of the 50 sec interval is
a grindstone of mass 30 kilogram and radius 20 centimeter starts rotating from rest and has a constant angular
a guitar string is 900 centimeter long and has a mass of 321 gram from the bridge to the support post l is 600
a ball player hits a home run and the baseball just clears a wall 8 m high placed 1002 m from home plate the ball is
calculate the work done by the force represented in displacing a particle from x 10 meter to x 40 meter the curve is