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a 204 dog is running northward at 285 while a 533 cat is running eastward at 367 their 775 owner has the same
a 250g sample of gaseous cl2o7 is placed in a 400l flask at 25 degrees c and begins to decompose when equilibrium is
a 0145 kg baseball pitched at 450 ms is hit on a horizontal line drive straight back toward the pitcher at 520 ms if
a mixture containing 39 moles of no and 94 moles of co2 was allowed to react in a flask at a certain temperature
a spring is compressed by 00612 m and is used to launch an object horizontally with a speed of 164 ms if the object
above 300 degrees c ammonium nitrate decomposes to n2 o2 and h2o write a balanced chemical reaction describing the
a model rocket is constructed with a motor that can provide a total impulse of 290 nmiddots the mass of the rocket is
a chemist trying to synthesize a particular compound attempts two different synthesis reactions the equilibrium
a car enters a freeway with a speed of 65 ms and accelerates to a speed of 24 ms in 35 minutes how far does the car
a marble has mass 9kg it is released from height3m down a ramp into a loop-the-loop of radius1 at the top of the
a car traveling initially at 70 ms accelerates to velocity 120 ms in 20 s what is the average acceleration of the
a loop of area 0100 m2 is rotating at 3600 rpm revolutions per minute with an axis of rotation perpendicular to a 020 t
you and your friend each drive 500 km you travel at 900 kmh your friend travels at 95kmh how long will your friend be
a 252g bullet moving at 290 ms enters and stops in an initially stationary 250 kg wooden block on a horizontal
a bicycle with a mass of 20 kg drives over a semi-circular of radius 182 meters if the bicycle is moving at 94 ms at
the osmotic pressure of an aqueous solution at 300 k is 120 kpa calculate the freezing point of the solution kf186 k kg
lead is a toxic metal that affects the central nervous system a pb contaminated water sample contains 00012 pb by mass
a yo-yo with a mass of 5 kg is attached to a rope and is swung at constant speed around a vertical circle if the yo-yo
the drawing shows a bicycle wheel resting against a small step whose height is h 0108 m the weight and radius of the
the final temperature of an experiment using a coffee cup calorimeter is 160 degrees celsius the mass of nano3 used is
a 20kg ball and a 45kg ball each moving at 090ms undergo a head-on collision the lighter ball rebounds opposite its
sterling silver is 925 silver by mass with a density of 103 gcm3 if a cube of sterling silver has a volume of 270 cm3
the complete conversion of 2-phenylacetic acid to ethyl-2-phenylacetate in this experiment is the result ofa ethanol
two 720- hockey players skating at 700 collide and stick together if the angle between their initial directions was 135
two groups of canoeists meet in the middle of a lake after a brief visit a person in canoe 1 pushes on canoe 2 to