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what is the total charge of all the electrons in a 18 kg bar of zinc zinc has 30 electrons per atom and an atomic mass
an electron massnbspmnbsp 911nbspnbsp10-31nbspkg is accelerated in the uniform fieldnbspenbspenbsp 170nbsp104nbspnc
a 30-kg block is dragged over a rough horizontal surface by a constant force of 16 n acting at an angle of 37deg above
a 50-kg object is pulled along a horizontal surface at a constant speed by a 15-n force acting 20deg above the
040-kg mass attached to the end of a string swings in a vertical circle having a radius of 18 m at an instant when the
explain the changes in the velocity acceleration and net force of a man with a parachute jumping off a plane you need
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explain the mechanism by which ac alternating current through the primary circuit of a transformer produces an
a basketball star covers 310 m horizontally in a jump to dunk the ball his motion through space can be modeled
a 20-kg projectile moves from its initial position to a point that is displaced 20 m horizontally and 15 m above its
a 10-kg block on a horizontal frictionless surface is attached to a light spring force constant 080 knm the block is
how come water on the bottom of the earth at the south pole doesnt fall off the earth and go into
a 33 kg girl starting from rest slides down a water slide into a pool she is traveling at 98 ms when she hits the water
a student sets a 04 kg meter stick to pivot at the 08 m mark at what position should the student suspend a 02 kg mass
the two blocks shown are connected by a light string that passes over a light pulley the block on the table has a mass
an object moves in one dimensional motion with constant acceleration a 53 ms2 at time t 0 s the object is at xonbsp
a power plant produces 30 mw for 20 minutes 60 mw for 15 minutes and 30 mw for 25 minutes how much electric energy in
how does the relativistic model of gravity differ from newtonian model of
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when analyzing the following three popular training systems bigger faster stronger bfs crossfit and high intensity
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2 kilograms of steam undergoes an isobaric adiabatic process if the temperature drops by 1 kelvin and the volume
barry the polar bear of barrow alaska spent his entire savings of 7000 on ice cream in preparation for a 90 day winter