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the two stars in a binary star system have masses 17times1030 kg and 61times1030 kg they are separated by 20times1012
a two-slit pattern is viewed on a screen 125 m from the slits if the two third-order minima are 290 cm apart what is
a mass of 32 kg sliding along a frictionless floor at 25 ms strikes and compresses a spring of constant k 29000 nm the
a cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 145degca what is the average
compute the number of electrons in a flake of pure gold valued at 044 assume that the price of gold is 16300troy oz 1
a collision between two protons produces three new particles p p ---gtp 0 0 the rest energies of the new particles
a landing craft with mass 126times104 is in a circular orbit a distance 590times105 above the surface of a planet the
a uniform cylindrical pulley of mass m144 kg and radius r0478 m rotates freely about a fixed horizontal axis a block of
a catalyst may be defined as a substance that enhances the rate of a chemical reaction without being consumed in the
a stone is dropped from the top of a cliff the splash it makes when striking the water below is heard 36s later how
a neutron causes the element 88x232 to change according to the reaction 0n1 88x232 ----gtzya identify the a atomic
a uniform narrow tube 170 long is open at both ends it resonates at two successive harmonics of frequencies 245 and
a block with mass m 70 kg is hung from a vertical spring when the mass hangs in equilibrium the spring stretches x 02
water from a 5-ml pipet was drained into a weighing bottle whose empty mass was 9974 g to give a new mass of 14974 g at
a performer seated on a trapeze is swinging back and forth with a period of 928 s if she stands up thus raising the
what volume of concentrated hcl 12 m and what weight of solid tris-hydroxymethylaminomethane as the base are required
experience shows that from one third to one half of the passengers in an airliner can be expected to suffer motion
in a very busy off-campus eatery one chef sends a 249-g broccoli-tomato-pickle-onion-mushroom pizza sliding down the
aluminum has a specific heat of 0902jgxc how much heat is lost when a pieve of aluminum with a mass of 23984 g cools
a 01510 gram sample of hydrocarbon produces 05008 gram co2 and 0128 gram h2o in combustion analysis its molecular
a 340 kg hammer strikes a steel spike 220 cm in diameter while moving with speed of 220 ms the hammer rebounds with
from the following chemical equation determine how many grams of caoh2 you would need to react with 626 moles of hbr
a magnifying glass of diameter 105 cm focuses sunlight into a spot of diameter 0550 cm the energy flux in the sunlight
given that a 1200 g milk chocolate bar contains 9200 g of sugar calculate the percentage of sugar preset in 1200 g of
nutritional tables give the potassium content of a standard apple 3 appleslb as 159 mg how many grams of potassium are