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a cook puts 880 g of water in a 200-l pressure cooker that is then warmed to 480degc what is the pressure inside the
the density of ice is 917 kgm3 and the density of sea water is 1025 kgm3 a swimming polar bear climbs onto a piece of
a satellite with a mass of 310 kg moves in a circular orbit 700 107 m above the earths surfacea what is the
a binary star system has two stars each with the same mass as our sun separated by 800times1011m a comet is very far
a tire is filled with air at 13degc to a gauge pressure of 220 kpa if the tire reaches a temperature of 42degc what
a bat at rest sends out ultrasonic sound waves at 50000 hz and receives them returned from an object moving directly
a wind is pushing an ice skating armadillo with a force of f 12x2i - 4y3j 4zk n the armadillo then displaces from r1
you are driving a car which is heading 25 ms towards a brick wall you sound a horn which emits at a frequency of 500 hz
you sing into a well and find that the well resonates at frequencies of 220 hz and 260 hz with no resonances between
astronomers discover a binary star system that has a period of 960days the binary star system consists of two
a body oscillates with simple harmonic motion according to x 40 m cos20pi radst pi3 rad at t 450swhat is the
two spherical objects have a combined mass of 160kg the gravitational attraction between them is 703times106n when
a spring with spring constant 33 nm is attached to the ceiling and a 45 cm diameter 15 kg metal cylinder is attached to
an irregularly shaped body of mass 150 kg is mounted on an axle located 210 cm from the center of gravity of the body
a block with mass m 70 kg is hung from a vertical spring when the mass hangs in equilibrium the spring stretches x 02
a 25 g glass tumbler contains 410 ml of water at 24degc if four 20 g ice cubes each at a temperature of -3degc are
after an unfortunate accident at a local warehouse you have been contracted to determine the cause a jib crane
a dog is sitting in front of a plane mirror at a command it jumps at the mirror with a speed of 050 ms how fast does
what are the three longest wavelengths for standing waves on a 237--long string that is fixed at both ends if the
gas in a cylinder moves a piston with area 0200 m2 as energy is slowly added to the system if 200x103 j of work is done
dry ice is frozen carbon dioxide suppose you have a piece of dry ice with a mass of 200 grams a little less than half a
a neutron decays into a proton and an electron the neutron was initially at rest after the decay the electron is found
a 129-kg sculpture hangs from a horizontal rod that serves as a pivot about which the sculpture can oscillate the
the human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside
a hydrogen atom initially at rest emits an ultraviolet photon with a wavelength of lambda 122nm what is the recoil