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750 meters of a wire has a mass of 0400 kg a 350 m long portion of this wire is stretched among two supportsnbsp
the potential dissimilarity between a pair of oppositely charged parallel plates is 367 va if the spacing among the
the hubble space telescope has a mirror diameter of 24m assume the telescope is used to photograph stars near the
the frequency of the microwaves generated in a microwave oven is 245x10 to the 9th power hznbspcompute the wavelength
a two 68 g ice cubes are dropped into 234 g of water in a thermally insulated container if the water is initially
a person standing a certain distance from an airplane by four equally noisy jet engines is experiencing a sound level
an fm radio transmitter has a power output of 130 kw and operates at a frequency of 935 mhz how many photons per second
a car is traveling at 50 mih when the brakes are completely applied producing a constant deceleration of 28fts2 what is
some athletes can put out as much as 700 watts in short bursts if you could sustain such an energy output long enough
an unscratched spring has a length of 030 m when the spring is stretched to a total length of 060 m it supports
a converging lens by a focal length of 20 cm is set 25 cm in front of a diverging lens with a focal length of 15 cmnbsp
a solid square pinewood raft measures 44 m on a side and is 300 m thick what is the total mass of swimmers that the
only a small part of an iceberg protrudes above the water while the bulk lies below the surface the density of ice
a circuit connected to a 110v 60-hz source contains a 50omega resistor and a coil with an inductance of 100 mh discover
a lifeguard is working at a pool sitting in his guard stand he notices a child right below him drowning that appears to
a prism whose cross section is shaped like an isosceles right triangle is made from a material with index of refraction
an ideal gas in a container is at a temperature of 794degc what is the average translational kinetic energy of a gas
you are traveling in a spaceship at a speed of 052c away from earth you send a laser beam toward earth traveling at
a transverse periodic wave is established on a string the wave is described with the expression y 005 sin200x -
a certain kind of film requires an exposure time of 0010 s with anf 12 lens setting another type of film requires
a particle of mass m moving by a speed vi has a collision with a particle of mass 2m that is at rest before the
a light bulb has a resistance of 270 it is linked to a standard wall socket 120 v rms 600 hza decide the rms current in
a current of 100 ma is maintained in a single circular loop with a circumference of 120 m a magnetic field of 0880 t is
which of the scenarios if more difficult for light to leave a diamond when it is place underwater or when it is in air
if some water splashed out of the calorimeter cup when adding the hot metal would this decrease increase not affect the