Physics, 25.12.2019 03:31 21stcenturycyber
Arocket travels in the x-direction at speed 0.70c with respect to the earth. an experimenter on the rocket observes a collision between two comets and determines that the space time coordinates of the collision are (x', t') = (3.4 times 10^10 m, 190 s).
a) what is the space time coordinate x of the collision in earth's reference frame?
b) what is the space time coordinate t of the collision in earth's reference frame?
Answers: 3
Physics, 21.06.2019 20:20
To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b
Answers: 2
Physics, 22.06.2019 00:40
Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such as silver or gold. in essence the metal object is made the cathode of an electrolytic cell in which the precious metal cations are dissolved in aqueous solution. suppose a current of 480.ma is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for 46.0 seconds. calculate the mass of pure silver deposited on a metal object made into the cathode of the cell. round your answer to 3 significant digits. also, be sure your answer contains a unit symbol. ×10μ
Answers: 3
Arocket travels in the x-direction at speed 0.70c with respect to the earth. an experimenter on the...
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