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the length of a simple pendulum is 079 m and the mass of theparticle the bob at the end of the cable is 024 kg
a solution is initially supersaturated with ca2 and co32- ions by rapid addition of calcium carbonate such that the
an excess of solid calcium fluoride is shaken with 0100 m hcl until a saturated solution is obtained pka317 for hcl
a 300 kg solid uniform cube with 0700 m sidesrests on a level surface what is the minimum amount of workjoules
a parallel-plate capacitor in air has a plate separation of137 cm and a plate area of 250cm2 the plates are charged to
a 025 kg disk shaped machine part with a radius of80 cm rotates eccentrically off center about an axis thatis normal to
a 19 kg solid disk of radius 044 m is rotated aboutan axis through its center if the disk accelerates from rest to
two capacitors c1 500 microf and c2 120 microf are connected inparallel and the resulting combination is connected to
a light meterstick is loaded with masses of 10 kg and50 kg at the 30 cm and 80 cm positionsrespectivelya what is the
an air-filled capacitor consists of two parallel plates each with an area of 760 cm2 separated by a distance of170 mma
a 200 gram object moves horizontally and slams into a 500 gramobject connected to a 1 meter long massless string the
a light bulb is wired in series with a 119- resistor and they are connectedacross a 1200-v source the power delivered
a movable piston having a mass of800 kg and a cross-sectional area of 500 cm2 traps0230 moles of an ideal gas in
determine the capacitance of a teflon-filled parallel-platecapacitor having a plate area of 190cm2 and insulation
imagine that you are at the equator and the air is motion less every where there is a pressure gradient such that the
a rock dropped from a cliff covers one-third of its total distance to the ground in the last second of its fall air
a 300 kg object with an intial velocity of 500 ms in thepostive x direction collides with and sticks to a 200 kg
light from a sodium vapor lamp passes through a filter that blocks all but a single narrow wavelength band it then
a person takes a trip driving with a constant speed of 895kmh except for a 220-min rest stop if the persons average
two people carry a heavy electric motor by placing it on alight board 300 m long one personlifts at one end with a
assume that at a point x the wind from the surface to z 1 kmis westerly at 10 ms at a point 100 km further east the
a thin bi-convex lens with index of refraction n15has radii of curvature for its left and right surfaces of magnitude15
a pole projects horizontally from the front wall of a shop a51-kg sign hangs from the pole at a point 22m from the wall
how much lift is exerted on the wings of an airplane that have atotal surface area of 102 m2 when the difference in air
a system of 1506 particles each ofwhich is either an electron or a proton has a net charge of-4704 10-17 ca how many