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the brake is released on a car of mass 500 kg at the top of ahill with height 150ma if there is no friction find the
find the location of the center of mass of a nonuniform rod038 m in length if its density varieslinearly from 092 gcm
a marksman holds a rifle of mass mr300kg loosely inhis hands so as to let it recoil freely when fired he fires abullet
the contains 410 turns and has an area per turn of 31 x10-3 m2 the magnetic field is 023 t andthe current in the coil
how many milliliters of 0100 m baoh2 solution are required to neutralize a solution containing 392 g
if ka is 185 x 10-5 for acetic acid what is the ph of the solution at the equivalence point during a titration of 500
the acceleration of gravity on the surface of mars is known to beabout 13 the acceleration of gravity on the earth
similar to the question listed except with different planetsa find the acceleration of gravity on the surface of
what is the molarity of 500 ml of 0100 m acetic acid at the moment it is added to 500 ml of 0100 m naoh before the two
a train slows down as it rounds a sharp horizontal trungoing from 90kmh to 500kmh im the 150s it takes to round thebend
a solenoid 152 m long and 260 cm in diameter carries a current of 197 a the magnitude of the magnetic field inside
a common flashlight bulb is rated at 3a and 29v the values of the current and voltage under operating conditions if
the electron gun in a traditional television tube fires electronsof kinetic energy 25 kev at the screen in a circular
the second part of this question says only the circular section is rotated 90 degrees ccw therefore shouldnt the
a horizontal wire of length 30 m carries a curruent of 6 a and isoriented so that the direction is 50 degrees s of w
suppose it had been decided that the avogadro constant should be recalculated as the number of gold atoms in 19700g of
the electricity supplied through a city power line is transmitted at 14300 v on each city block there are one or more
a two-stage rocket moves in space at a constant velocity of 4940 ms the two stages are then separated by a small
determine the quantity of unknown protein that has an absorbance of 0202 when a blank has an absorbance of 0086 the
a gas sample occupying a volume of 647ml at a pressure of 0971 atm is allowed to expand at constant temperature until
a trees image on a 35mm color slide is 18mm high it is to beprojected onto a screen 3m from the slide and will appear
the lens of a camera with focal object length fo 9cm perfectly focuses the image of an object on film located adistance
a sample of na2so4 s is dissolved in 225g of water at 298 k such that the solution is 025 m in na2so4 a temperature
in the bohr theory of the hydrogen atom an electron moves ina circular orbit about a proton the radius of the orbit
in a football game a receiver is standing still having just caught a pass before he can move a tackler running at a