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if the heat of combustion for a specific compound is -11800 kjmol and its molar mass is 9465 gmol how many grams of
an electron of mass m leaves one end of a tv picturetube with zero initial velocity and travels in a straight line toan
a mixture initially contains a b and c in the following concentrations a 0300m b 0650m and c 0600m the following
a long thin rod length 4 m lies along the x axis withits midpoint at the origin in a vacuum a 8 microc pointcharge is
what is the concentration of a solution made by diluting 15ml of 60 m hci to a final volume of 750
a diathermy machine used in physiotherapy generateselectromagnetic radiation that gives the effect of deep heat
a compund contains carbon hydrogen and chlorine combustion of 15800 grams of this compound produces 30063 grams of co2
a long straight wire has fixed negative charge with a linear chargedensity of magnitude 36 ncm the wire is to be
a magnetic field is perpendicular to the plane of a singleturn circular coil the magnitude of the field is changingso
a ball is tossed from an upper-story window of a building the ballis given an initial velocity of 870ms at an angle of
a boeing 747 jet with a wingspan of 600 m is flying horizontally at a speed of 300 ms over pheonix arizona at a
velocity is given by distance traveled per unit time in the case of waves show that this leads to the velocity of the
a charged particle with a charge-to-mass ratio of qm 57x 108 ckg travels on a circular path that isperpendicular to a
a long straight wire carrying a current of 400 a is placedalong the axis of a cylinder of radius 0500 m and a length of
an electron with velocity v10x106 ms is sent between the plates of a capacitor where the electric field is e500vm if
two trains are traveling toward each other at 305 msrelative to the ground one train is blowing a whistle at 500hza
a toaster rated at 1050w operates on a 120v household circuit andhas a 400m length of nichrome wire as its heating
air at atmospheric pressure 101 kpa is to be compressed to one-sixth of its original volume at what pressure will the
a coffee cup heater and a lamp are connected in parallel tothe same 120-v outlet together they use a total of 111w of
a particle has a charge of q 59 muc and is located atthe orgin as the drawing shows an electric field of e x 233nc
a rocket of mass 450 x 105 kgis in flight its thrust is directed at an angle of 645deg above the horizontal and has a
a wire has a length of 675 x 10-2 m and is used tomake a circular coil of one turn there is a current of 294 a inthe
two particles having equal signed charges of 12nc are placedat two of the vertices of an equilateral trianglelength of
the loaded cab of an elevator has a mass of 30 x 103 kg and moves 176 m upthe shaft in 23 s at constant speed at what
a 37 g bullet with ahorizontal velocity of 494 ms stops13 cm within a solid walla what is the change in its mechanical