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a typical car weighs about 3500 lb with an air pressure of 35 lbin2 greater than patm in each of the supporting tires
a potters wheel -- a thick stone disk of radius 0500 m and mass 110 kg -- is freely rotating at 500 revmin the potter
an isolated conductor of arbitrary shape has a net charge of 11 x 10- 6 c inside the conductor is a cavity within which
determine the number of revolutions through which a typical automobile tire turns in 1 yr suppose the automobile
in a classroom demonstration a speaker was mounted on the end of a 500 cm long arm and rotated in a horizontal circle
reaction time is the shortest time interval elapsed after the driver of a car decides to apply the break for example
a 1000- kg car collides with a 1200- kg car that was initially at rest at the origin of an x-y coordinate system after
a cube of ice is taken from the freezer at -79degc and placed in a97g aluminum calorimeter filled with322g of water at
a cubic box of volume36multiplied by10-2m3is filled with air at atmospheric pressure at 20degc the box is closed and
a tire is filled with air at 15degc to a gauge pressure of210kpa if the tire reaches a temperature of38degc what
an ordinary glass is filled to the brim with3510ml of water at 100degc if the temperature decreased to29degc how much
a bat flies toward a wall at a speed of55ms as it flies the bat emits an ultrasonic sound wave with frequency290khz
if you were to build a pipe organ with open-tube pipes spanning the range of human hearing 20 hz to 20 khz what would
a46db sound wave strikes an eardrum whose area is40multiplied by10-5m2a how much energy is absorbed by the eardrum per
a guitar string is77cm long and has a mass of 36 g the distance from the bridge to the support post isl 60 cm and the
an earthquake emits both p-waves and s-waves that travel at different speeds through the earth a pwave travels at 8 000
an ac voltage source with a peak output of 200v is connected to a 50 ohm resistor what is the rate of energy dissipated
a small sphere that carries a charge of 635 c is whirled in a circle at the end of an insulating string the angular
at the start of a trip a driver adjusts the absolute pressure in her tires to be 251 x 105 pa when the outdoor
in a game of football outdoors on a cold day a player will begin to feel exhausted after using approximately 78x105 j
a 500-liter aluminum cylinder at 500degc is filled to the brim with gasoline at the same temperature if the aluminum
raindrops fall 1400 m from a cloud to the ground if they were not slowed by air resistance how fast would the drops be
an electric vehicle starts from rest and accelerates at a rate of 19 ms2 in a straight line until it reaches a speed of
an electron moving along the x axis has a position given by x 16 te-t m where t is in seconds how far is the electron
the fastest growing plant on record is the hesperoyucca whipplei suppose a plant of this type grows 23 m in 14 days