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Aperson throws a tennis ball 6 m/s straight up. how long does it take for it to come back to their hand?
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What are similarities and differences of reflection, refraction, diffraction and absorption?
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Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?
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Physics, 22.06.2019 16:30, skiddymark3ox93za
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
Aperson throws a tennis ball 6 m/s straight up. how long does it take for it to come back to their h...
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