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the intensity of the sound wave from a jet airplane is 94 wm2 at a distance of 130 m at what rate does the jet airplane
how many grams of sodium bicarbonate and sodium carbonate respectively are needed to make 3 liters of 0075 m buffer ph
the intensity of the sound wave from a jet airplane as it is taking off is 105 wm2 at a distance of 32 m what is the
mars rotates on its axis once every 248 hours its mass is 642times1023 kg and its radius is 337times106 m what is the
while a person is walking his arms with typical lengths 70 cm measured from the shoulder joint swing through
a propeller is modeled as five identical uniform rods extending radially from its axis the length and mass of each rod
water 100e-3 pas is flowing through a horizontal pipe with a volume flow rate of 00129 m3s there are two vertical
a 1200-kg car rolling on a horizontal surface has speed 60 kmh when it strikes a horizontal coiled spring and is
a space station shaped like a giant wheel has a radius 103 m and a moment of inertia of 496 108 kg middot m2 a crew of
what is the force on a proton located in an electric field of 4800 ncwhat is the protons
a solenoid of radius 23 cm has 450 turns and a length of 24 cma find its inductancemhb find the rate at which current
a 40 kg block slides along a frictionless surface with a constant speed of 50 ms as shown two seconds after it begins
ball 1 with a mass of 150 g and traveling at 11 ms collides head on with ball 2 which has a mass of 300 g and is
some species use echolocation to determine the position and velocity of objects and prey suppose a bat at rest sends
a spaceships maneuvering engine burns hydrogen and oxygen hydrogen is to delivered to this engine at 11atm pressure and
dorothy is up on her 160m by 120m roof enjoying the view of kansas suddenly a strong wind blows down her ladder leaving
648 g of nah2po4 and 2196 gm of k2hpo4 are dissolved in sufficient water to make a liter of solution calculate the ph
two automobiles are equipped with the same single frequency horn when one is at rest and the other is moving toward the
a guitar string produces 4 beats per second when sounded with a 350-hz tuning fork and 9 beats per second when sounded
the following reaction is second order in a and the rate constant is 0039 m-1 s-1 the concentration of a was 030 m at
a solid cylinder is rolling down an incline without slipping over a vertical distance of 3m assuming no losses to
1 based on resonance structures for acrolein do you expect the co stretch in acrolein to be of higher fundamental
sams job at the amusement park is to slow down and bring to a stop the boats in the log ride if a boat and its riders
a fiber optic cable nfiber 206 is submerged in water nwater 135 what is the critical angle for light to stay inside