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Physics, 21.06.2019 16:00, huangjianhe135
28. a stone is projected at a cliff of height h with an initial speed of 42.0 mls directed at angle θ0 = 60.0° above the horizontal. the stone strikes at a, 5.50 s after launching. find (a) the height h of the cliff, (b) the speed of the stone just before impact at a, and (c) the maximum height h reached above the grou
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Physics, 21.06.2019 18:00, hcortez8846
Which statement best explains why an object weight less on mercury than it does on earth
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An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
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