A block in the shape of a rectangular solid has a crosssectional area of 3.50 cm2 across its width, a front-to-rear length of 15.8 cm, and a resistance of 935 0. The block’s material contains 5.33 $ 1022 conduction electrons/m3. A potential difference of 35.8 V is maintained between its front and rear faces. (a) What is the current in the block? (b) If the current density is uniform, what is its magnitude? What are (c) the drift velocity of the conduction electrons and (d) the magnitude of the electric field in the block?
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Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning
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If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
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Remember, the density of water is 1g/cm3, so the mass of water equals the volume of the rose quartz. find the density of the rose quartz. find the specific gravity of the rose quartz. specific gravity = density of of water. what are the units for specific gravity?
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