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a 2294 kilogram sample of water at 0oc is cooled at -36oc and freezes in the process determine how much heat is
a solenoid with 1200 turns per meter has a diameter of 8 centimeter a current i 260 amp flows in the counterclockwise
a 57 meter length of insulated copper wire is wound to form a solenoid of radius 23 centimeter the copper wire has a
a 12 volt battery remains connected to a parallel plate capacitor with a plate area of 0294 m2 and a plate separation
a uniform 5 kilogram ladder is leaning against a frictionless vertical wall with which it makes a 15 degree angle the
in preparation for building a space station an astronaut removes a self-telescoping uniform rod from the cargo bay and
a student notes that the length of a 12-inch long ruler held by her teacher who is moving relative to her is the same
a parallel plate capacitor has a plate area of 0815 m2 and a plate separation of 205 millimeter explain what is its
a capacitor is first connected to a 6 volt battery and then disconnected and connected to a 12 volt battery explain how
if the radius of the equipotential surface of a point charge is 225 meter and is at a potential of 200kv compared to
an electron is accelerated by a uniform electric field 1600 vm pointing vertically upward use newtons laws to obtain
in a model ac generator a 502 turn rectangular coil 8 centimeter by 20 cm rotates at 123 rpm in a uniform magnetic
a swarm of bees flew through a field of static electricity and each became charged to a magnitude of 35 microc they fly
find what is the angle of refraction of a light ray traveling in water n 133 entering benzene n 150 at 21o from the
a light ray traveling in air enters diamond with an angle of incidence of 35o the refracted angle inside the diamond is
a microscope has an objective lens with a focal length of 14 millimeter a small object is located 080 millimeter beyond
an electron is accelerated by a uniform electric field 1600 vm pointing vertically upwarda find the direction of
the spacing between two closely spaced oppositely charged parallel plates is decreased explain what happens to the
part a find where is the near point of an eye for which a contact lens with a power of 290 diopters is prescribedpart b
an 8 meter 280 newton uniform ladders rests against a smooth wall the coefficient of static friction between the ladder
by turning a crank you can do mechanical work at the steady rate of 015 horsepower if the crank is connected to paddles
a diffraction grating with d 2000 nanometers is used with a mercury discharge tube the diffraction used at a distance
two long parallel wires are separated by 28 centimeter one of the wires carries a current of 26 amp and the other
a typical red blood cell has a mass of 30 x 10-16 kilogram a blood sample located in a centrifuge is subjected to a