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a 75-w 110-v bulb is connected in parallel with a 40-w 110-vbulb what is the net
a 285 kg stunt boat is driven on the surface of a lake at aconstant speed of 135 ms toward a ramp which is angled at
excess electrons are placed on a small lead sphere with mass800g so that its net charge is -320 x 10-9ca find the
an ultracentrifuge is a rotating device that can produce acceleration up to 106 g if the distance from the center of
a car sits in anentrance ramp to a freeway waiting for a break in the traffic thedriver sees a small gap between a van
an aluminum-alloy rod has a length of 10000 cm at 20000c anda length of 10015 cm at the boiling point of water what is
a solenoid 130m long and 260cm in diameter carries a currentof 180a the magnetic field inside the solenoid is 230mt
the inductance of a closely packed coil of 400 turns is 80mh calculate the magnetic flux through the coil when the
two identical ballons are filled one with helium and one with nitrogen at the same temperature and pressure if the
a find the frequency of reveolution of an electron with anenergy of 100ev in a uniform magnetic field of
without first writing a full molecular or ionic equation write the net ionic equations for any precipitation reactions
an electron is accelerated from rest by a potential differenceof 350v it then eneters a uniform magnetic field of
a small loop of area 68mm2 is placed inside a long solenoidthat has 854 turnscm and carries a sinusoidally
solutions of sulfuric acid and lead acetate react to form solid lead sulfate and a solution of acetic acid570 of
calculate the volume of co2 produced at 37 degrees celsius and a 100 bar when 100 gram of glucose is
another common polymer is polystyrene its monomer styrene is shown below what kind of polymerization reaction occurs in
if a rock is attached to a massless rigid rod and swung in avertical circle at constant speed it will not have a
a jetliner traveling northward is landing with a speed of 69ms once the jet touches down it has 750 m of runway in
100g of ice at 0 degree c is placed into 100g of warm water in aninsulated container the initial temperature of the
a water rocket launched from the ground rises verticallywith acceleration of 30 s2 for 1 s when it runs out of fuel
write balanced net ionic equations for the reactions that occur when the following aqueous solutions are mixed if no
what is the diffraction pattern ofa a square array of dotsb a rectangular array of dotsc a parallelogram array of dots
an opaque container is 15 cm deep it contains only asingle coin when looking into the container at a viewing angle
a beam of light with red and blue components of wavelengths670 nm and 425 nm respectively strikes a slab of fused
a gaseous mixture consisting of 0513 grams of h2 and 161 grams of n2 occupies 100 liters at 200 degrees c calculate the