Physics, 05.09.2019 22:30 hello137348474747
The segment on the left has diameter 1.6 mm, and each of the segments on the right has diameter 0.4 mm. assume the blood can be treated as an ideal fluid. if blood enters the segment on the left with speed v, at what speed does the blood leave the segments on the right?
Answers: 3
Physics, 21.06.2019 22:00
What is the fate of the electrons that interact with a specimen in an electron microscope?
Answers: 1
Physics, 22.06.2019 10:20
Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?
Answers: 1
Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
The segment on the left has diameter 1.6 mm, and each of the segments on the right has diameter 0.4...
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