Paul made a diagram to compare and contrast radio waves that are used for communication and for broadcasting. Which labels belong in the areas marked X, Y, and Z? X: May use LF, HF, and UHF waves Y: Travels at the speed of light Z: May use MF and VHF waves X: Travels at the speed of light Y: May use LF, HF, and UHF waves Z: May use MF and VHF waves X: May use MF and VHF waves Y: May use LF, HF, and UHF waves Z: Uses radio waves with long wavelengths X: Uses radio waves with long wavelengths Y: May use LF, HF, and UHF waves Z: May use MF and HF waves Mark this and return
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Physics, 21.06.2019 15:50
Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:
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Physics, 22.06.2019 07:30
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
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Physics, 22.06.2019 11:30
Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?
Answers: 3
Paul made a diagram to compare and contrast radio waves that are used for communication and for broa...
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