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a box starts out at the top of a frictionless ramp then slides down the ramp has a heighth3meters and a slope
poly ethylene terephthalate which is the commonly used polyester dacron can be formed by an acid-catalyzed
a particle of mass 441x10-13 kg carries a charge of 397x10-11c if it moves perpendicular to a magnetic field of 0331 t
give the structure of the product formed when adipic acid hooc-ch22-cooh is reacted with a large excess of 1-propanol
a 100-g bullet traveling horizontally at 755 ms strikes a stationary target and stops after penetrating 145 cm into the
how many moles of isopentyl acetate are there in 1 g of isopentyl acetate1 ml of isopentyl
a copper wire of length 330 cm is in a magnetic field of 070 tif it has a mass of 140 g what is the minimum current in
determine the electron-group arrangement molecular shape and molecular bond angle that best describes each of the
the distance between two telephone poles is d 535 m when a 110-kg bird lands on the telephone wire midway between the
a sample may contain any or all of the following ions hg22 ba2 and mn2 no precipitate formed when a solution of nacl or
crossfire was a popular board game in which players attempted to propel a puck forward towards their opponets side by
a single force acts on a 80 kg particle-like object in such a way that the position of the object as a function of time
a solution is prepared by dissolving 01215g of aluminum acetate in 2500ml of water a 100ml portion of this solution is
the lead female character in the movie diamonds are forever is standing at the edge of an offshore oil rig as she fires
a bicycle tire is filled with air to a pressure of 610kpa at a temperature of 605of riding on asphalt on a hot day
if a photon is a wave and is moving along the x-axis at the speed of light isnt any specific part of the wave moving
a sample of methane gas ch4 having volume of 180l at 25oc and 165atm was mixed with a sample of oxygen gas having a
when jumping straight down you can be seriously injured if you land stiff-legged one way to avoid injury is to bend
a particle of mass m is subjected to a force ft kte-alphat where k is a constant and alpha 05 s-1 if the particle is
at 50oc the autoionization constant for pure water kw is 547e-14 what is the hydronium ion concentration in pure water
the surfer is catching a wave suppose she starts at the top of the wave with a speed of 15 ms and moves down the wave
a sample of ammonia occupies 325 liters at -28 centigrade and 452 torr what volume will it occupy at
a 1750-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car
determine the magnitudes and directions of the currents in each resistor shown in fig 19-48 the batteries have emfs of
in 20 minutes a ski lift raises 5 skiers at constant speed to a height of 140 m the average mass of each skier is 65 kg