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a potters wheel is rotating around a vertical axis through its center at a frequency of 18 revs the wheel can be
a car is moving south with an absolute velocity of 40 kmh an observer at o is stationed 50 m to the east of the line of
two converging lenses are separated by 2320 centimeter the focal length of each lens is 1220 centimeter an object is
in the model of hydrogen atom created by neils bohr the electron moves around the lone proton in the nucleus at a speed
a wire loop is located inside a magnetic field find the angle between field lines and surface of the area of the wire
oxygen and nitrogen are the two most common gasses in air both are diatomic knowing this define why the spectrum of air
a series dc circuit containing a 3 ohm resistor and a 5 acircmicrof capacitor is connected to a 120 volt 60 hertz
you are asked to design a spring that will give a 1210 kilogram satellite a speed of 275 meter per second relative to
determine the center of mass of a 1 meter long side square whose sides have been made from 4 different metals of lead
an 85 gram ice cube at -10degc is put into a thermos flask containing 200 cm3 of water at 30degc find by how much has
a proposed ocean thermal-energy conversion otec system is a heat engine that would operate between warm water
a 004 kilogram lead bullet traveling 209 meter per second strikes an armor plate and comes to a stop if all of the
determine how much force is exerted on one side of an 850 centimeter by 11 centimeter sheet of paper by the
a space station shaped like a giant wheel has a radius 101 meter and a moment of inertia of 506 x 108 kgbullm2 a crew
two stationary point charges of 4 nc and 2 nc are separated by a distance of 60 centimeter an electron is released from
a car tires contain 00380 m3 of air at a gauge pressure of 220 times 105 nm2 find how much more internal energy does
determine what force is needed to cause a 1000 kilogram car traveling with a speed of 20 meter per second to come to a
an electron is located in a uniform electric field of 45 x 104 nc that points to the right e 16 x 10-19 c electron
the space shuttle typically orbits 400 kilometers above the earths surface the earth has a mass of 598 times 1024
a 3 kilogram cart moves on an air track at 12 meter per second it collides with and sticks to another cart of mass 5
a 15 gram rubber bullet hits a wall with a speed of 150 meter per second the bullet bounces back with a speed of 120
a tiny 00250 microgram oil drop containing 15 excess electrons is suspended between to horizontally closely-spaced
two large closely spaced parallel metal plates are uniformly and oppositely charged and the electric field between them
a 500-turn circular coil with an area of 050 m2 is mounted on a rotating frame that turns at a rate of 200 rads in the
a thin spherical copper shell of radius 95 centimeter carries an excess charge of -42 nca find how many excess