Physics, 01.03.2021 21:50 amylumey2005
Which evidence card could be eliminated because it did not isolate variables?
Evidence Card A: Magnetic pole arrangement
Evidence Card B: Number of wire coils
Evidence Card C: Rail material
Evidence Card D: Distance between the car and launcher
None should be eliminated.
Answers: 2
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How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters
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The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? donāt forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
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The two metal spheres in the figure are connected by a metal wire with w switch in the middle. initially the switch is open. sphere 1, with the larger radius, i'd given a positive charge. sphere 2, with the smaller radius, is neutral. then the switch is closed. afterward, sphere 1 has charge q1, is at potential v1 and the electric field strength at its surface is e1. the values for sphere 2 are q2, v2, and e2. a. is v1 < ,> , or = to v2? explain. b. is q2 < , > , or = explain? c. is e1 < ,> ,or = to e2? explain?
Answers: 1
Which evidence card could be eliminated because it did not isolate variables?
Evidence Card A: Magn...
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