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a hill sled moves from the top of a hill at 1ms what is the speed of the sled at the bottom of the hill how high is it
a sample of steam with a mass of 0551 and at a temperature of 100 condenses into an insulated container holding 420 of
a soccer ball is lofted toward the goal from a distance of 900ampamp160m it has an initial velocity of 127ampamp160ms
a 5 kg uniform cylinder is released at the top of a 151 m 21deg incline what is its velocity when it reaches the bottom
a rock is projected from the edge of the top of a building with an initial velocity of 176 ms at an angle of 31 degrees
the instruction booklet for your pressure cooker indicates that its highest setting is 111 you know that standard
an ideal gas initially at pi vi and ti is taken through a cycle as shown in the figure below where n 5 use any
a one kg non-stretch balloon fabric on the ground po 1 bar is attached to a 2 kg payload one kg of helium is placed
a 9180 kg ancient treasure chest lies at the bottom of the sea its volume is 0839 m3 how much force is needed to lift
a 50kg box is placed on an inclined plane making an angle of 30 degrees with the horizontal if the coefficient of
two boats traveling at 5 and 10 kms per hour head directly each other they begin at a distance of 20 kms from each
your are given a white substance that sublimes at 3000 degrees celsius the solid is a non conductor of electricity and
a 180-kg object attached to a spring moves without friction b 0 and is driven by an external force given by the
a hydraulic lift in a mechanics garage has an input piston of area 0512 m2 and an output piston of area 1069 m2 what
a gas at 250k and 15atm has a molar volume 12 smaller than calculated from the perfect gas law calculate a the
in the figure a physical pendulum consists of a uniform solid disk of radius r 566 cm supported in a vertical plane by
calculate the composition of the following two buffer solutions each buffer is to begin with 010m ethanolamine pka 950
it is claimed that a black hole is so strong in its gravitational pull that even light cannot escape from it however if
a high fountain of water is located at the center of a circular pool as in the figure below not wishing to get his feet
use coulombs law f kq1 q2 d2 to calculate the electric force on an electron q - 16 times 10- 19c exerted by a single
an object undergoes simple harmonic motion in the x direction its position is given by xa sin0497 t 432 where the
a juggler throws a ball straight up into the air and it takes 420 seconds to reach its peak how many seconds will it
about 70 million tons of paper are used per year in the us if the us population is 3016 million people how many
a power cycle operates between a lakes surface water at a temperature of 300l and water at a depth whose temperature is
a prospector finds a solid rock composed of granite rho 2560 rm kgm3 and gold the volume of the rock is 345times104rm