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an electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of203mt if the speed of
a proton travels with a speed of 490106ms at an angle of65degwith the direction of a magnetic field of magnitude0240t
a long straight wire generates a magnetic field of 03 t a distance of 005m away from it what is the current in the
what is the molarity of fecl3 in a solution prepared by dissolving 100 g of fecl3 in enough water to make 275 ml of
a 3 kg block is set into motion up an inclined plane of 30 degrees with an initial speed of 8 ms the block comes to
a balloon is inflated from 00100 l to 0500 l against an external pressure of 1000 atm how much work is done in joules
a 655 g sample of aniline c6h5nh2 molar mass 9313 gmol was combusted in a bomb calorimeter if the temperature rose by
you have an uncharged capacitor 12 x 10-6 f and a resistor 1000 ohms connected to a battery of 200 v at time t0 the
if they travel the length of the tube at full speed they dont because they are accelerating how long is the tube in the
a 5 cm by 5 cm square loop of wire is rotating at 30 rpm in a uniform magnetic field of strength 30t the direction of
according to the following reaction how much energy is required to decompose 550 kg of fe3o4 the molar mass of fe3o4 is
determine the volume of h2s at 375 k and 120 atm needed to produce 550 g of s assume that there is excess so2 present2
an 716 kg elevator starts from rest it moves upward for 436 s with a constant acceleration until it reaches its
a car weighing 8600 n moves along a level highway with a speed of 70 kmh the power of the engine at this speed is 66 kw
balance the chemical equation given below and calculate the volume of nitrogen monoxide gas produced when 800 g of
a bomb explodes into three identical pieces one flies in the y-direction at 125 ms a second in the - x-direction at
a plastic cylinder of length27cm its ends ground to convex from the rod outward spherical surfaces each having radius
14 g of nitrogen is reacted with 60 g of hydrogen to produce 9 g of ammonia according to the chemical equation shown
if the percent yield for the following reaction is 750 and 450 g of no2 are consumed in the reaction how many grams of
an internal combustion engine with an initial temperature of 362 is started the coombustion reactions add 866 x 106 j
a person on earth notices a rocket approaching from the right at a speed of 075c and another rocket approaching from
balance the chemical equation given below and determine the number of grams of mgo needed to produce 150 g of fe2o3
a spacecraft approaching the earth launches an exploration vehicle after the launch an observer on earth sees the
a low friction cart of mass 5 kg is attached to a spring that is stretched 15 m from its equilibrium length and then
a sled and rider gliding over horizontal frictionless ice at 45 have a combined mass of 72 the sled then slides over