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a uniform 025-kilog thin rod that has an 80-centimeter length is free to rotate about a fixed horizontal axis
suppose an airline allows a maximum of 32 kilogram for each suitcase a passenger brings alonga determine the weight of
assume that 500 milligrams of a radioisotope were produced define what mass of this material would stay after 45
a rock is dropped off the side of a bridge and hits the water below 4 second latera determine the rock velocity when it
utilizing the structural formulas of the following substances define which ones can exist as a cis-trans isomers 1-
a car heading north collides at intersection with a truck heading east if they lock together and travel at 28ms at 37o
the heat changes that come with the formation of 100 mol of carbon dioxide from its elements is -3937 kjmol explain
an experiment is performed on a level road with a car initially traveling at a speed v the car suddenly slams on the
a 1000 kilogram space probe is moving rightward in empty space along the x axis at 6 ms one of the probes rockets is
1000ml of the final solution 06m is reacted with surplus bacl to produce a precipitate of barium sulfate fw 2334gmol
a tight rope walker who weighs 640 newton walks along a steel cable when he is halfway across the cable creates an
calculate the moment of the inertia of the stick with respect to an axis perpendicular to it and going through its
while a 938 gram sample of magnesium is burned it produces sufficient heat to raise the temperature of 1737 grams of
determine how much would the length of year change if the rotation of the earth stopped suddenly the angular velocity
liquid helium is stored at its boiling point temperature of 42k in a spherical container r030 meter the container is a
organize each of the subsequent reactions as a combination decomposition single displacement or double displacement
the yellow light of sodium with wavelengths of 58899 nanometer and 58959 nanometer is normally incident on a grating
a hot air balloon is accelerating upward under the influence of two forces its buoyant force and the weight for
the hydrogen gas is collected over water at 23 degrees c and on atmospheric pressure of 756 mm hg defines what would be
water flows straight down from an open faucet the cross-sectional area of the faucet is 160 10-4 m2 and the speed of
you have to do 2100joule of work to push a 90 kilogram crate 25 meter up along a slope inclined at 20o find the
an image of the moon is focused onto a screen using a converging lens of focal length f 343 centimeter the diameter of
a 215-gram sample of a metal is heated to 330oc and then is plunged into a 105-gram aluminum calorimeter cup containing
let 255 joule of heat be added to a particular ideal gas as a result its volume changes from 540 to 1188 cm3 while the
a 52 meter wire with mass of 87 gram is attached to the mast of a sail boat if the wire is given a thunk at one end it