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if a pendulum has a period of 25 son earth what would be its period in a space station orbitingthe earth if a mass hung
the distance from the center of a ferris wheel to a passengerseat is 9 m what centripetal acceleration does a passenger
a roller coaster loaded with passengers has a mass of 1500kg the radius of curvature of the track at the bottom point
a 2700 pf air-gap capacitor isconnected to a 80 v battery if apiece of mica is placed between the plates how much
a uniform chain of length 800m initially lies stretched out on ahorizontal tablea if the coefficient of static friction
calculate the h ohph of a 035 ch3nh3cl solution ka for ch3nh3 227x10-11 state wheather water solutions of the following
a glass rod is rubbed with silk and acquires a charge ofmagnitude 750 nc what is the change in mass of the
an archer about to shoot an arrow is applying a force of 240 nto a drawn bowstring the bow behaves like an ideal
what is the silver concentration in a solution prepared by mixing 300 ml of 0310 m silver nitrate with 200 ml of 0140 m
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