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State one advantage and one disadvantage of using a plane mirrior as a driving mirrior
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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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Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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Water that contains a larger than normal amount of is still safe to drink.
a. sulfur b. arsenic c....
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