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what pressure is exerted on the bottom of a 0500-m-wide by 0900-m-long gas tank that can hold 500 kg of gasoline by the
a 250-kg steel gasoline can hold 200 l of gasoline when full what is the average density of the full gas can taking
two children push on opposite sides of a door during play both push horizontally and perpendicular to the door one
how many joules of energy are required to run a 100 w light bulb for one day burning coal yields about 30 106 j of
what kind of passive solar heating design is the best for the north eastern climate such as
question 1 the current pulse shown figure below is applied to a 10 capacitor determine the charge on the capacitor and
complete the following exercises1 why are good conductors of heat also good conductors of electricity2 what is the
question 1-sometimes you hear some say that a particular appliance uses up electricity what does the appliance
how do you find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is
a primitive diving bell consists of a cylindrical tank with one end open and one end closed the tank is lowered into a
a goodyear blimp typically contains 6480 m3nbspof helium he at an absolute pressure of 110 x 105pa the temperature of
a runner weighs 515 n and 71 of this weight is water a how many moles of water are in the runners body b how many water
anbsp350nbspnbsp105nbspkg subway train is brought to a stop from a speed ofnbsp0500nbspms innbsp0500nbspm by a large
acalculate the force needed to bring a 950 kg car to rest from a speed of 850 kmh in a distance of 110 mbsuppose
suppose a car travels 108 km at a speed of 250 ms and uses 190 gallons of gasoline only 30 of the gasoline goes into
a bat at rest uses high frequency sound waves to see assume the sound waves have frequency of 40000hz and move with a
dolphins emit clicks of sound for communication and echolocation a marine biologist is monitoring a dolphin swimming in
a bird is flying directly toward a stationary bird-watcher and emits a frequency of 1040 hz the bird-watcher however
hearing damage may occur when a person is exposed to a sound intensity level of 900 db relative to the threshold of
two sources of sound are located on the x axis and each emits power uniformly in all directions there are no
a large tank is filled with methane gas at a concentration of 0770 kgm3 the valve of a 140-m pipe connecting the tank
a tube has a length of 0046 m and a cross-sectional area of 83 x 10-4 m2 the tube is filled with a solution of sucrose
compressed air can be pumped underground into huge caverns as a form of energy storage the volume of a cavern is 67
suppose a tank contains 816 m3nbspof neon ne at an absolute pressure of 101times105nbsppa the temperature is changed
if the cold temperature reservoir of a carnot engine is held at a constant 294 k what temperature should the hot