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assume youre building a scale model of the hydrogen atom and the nucleus is represented with a ball of radius 327 cm
an astronaut arrives at a new planet and gets out his simple device to decide the gravitational acceleration there
what are the socio-cultural factors discussed in a
why dont all cells demonstrate the presence of all intracellular structures 3 pointswhat are two major structural
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the diameter of its nucleus is11times10minus14 m and the diameter of an atom is10times10minus10 mnbspwhat percent of
at the equator near the surface of the earth the magnetic field is about 340 microt northward and the electric field is
a yo-yo is made from two uniform disks each with mass m2 and radius r connected with a light axle of radius rrgtr since
a square shaped mirror lies flat on a table and facing up a second square shaped mirror is placed edge to edge by the
location a is 170 m to the right of a point charge q location b lies on the similar line and is 430 m to the right of
assume an inductor is contracted of copper wire of length 50m that has a cross-sectional area of 7 x 10-2m2 copper has
a particle with a charge of -600 nc is placed at the center of anon conducting spherical shell of inner radius 200 cm
a satellite operates at an altitude of 20100 km and utilizes communication frequencies of159848 mhz find the
a 15 g piece of styrofoam carries a net charge of -51 microc and floats above the center of a large horizontal sheet of
a strip of copper 10 mm wide and 900microm thick is placed in a uniform magnetic field b vec of magnitude 030 t with b
a 11cm long animal tendon was found to stretch 39mm with a force of 138n the tendon was approximately round by an
a soap fil n133 is 465 nm thick and lies on a glass plate n152nbsp sunlight whose wavelengths in vacuum extend from 380
the range of wavelengths allotted to the radio broadcast band is from about 150 m to 630 m if each station needs
in a physics lab a student accidentally drops a 210-g brass washer into an open dewar of liquid nitrogen at 772 k how
1 a tennis ball of mass m 0060 kg and speed v 25 ms strikes a wall at a 45-degree angle it rebounds with the similar
1 what is the escape velocity in ms for an object orbiting the earth at a height above the ground of 69e6 m2 a pitcher
1 at low speed air resistance is a force proportional to the velocity v of an object f -kv is this force conservative2
a public school law requires a minimum illumination of 160 lx on the surface of all studentsrsquo desk if the lights
what is the pressure change in water going from a 30- cm-diameter pipe to a 21- cm-diameter pipe if the velocity in the
a particular organ pipe can resonate at 264 hz 440 hz and 616 hz however not at any other frequencies between 264 and