Physics, 01.09.2019 06:30 pattydixon6
Nellie newton swings a rock into a circular path while holding an attached string overhead. the string makes a 45-degree angle to the vertical (comprising a "conical pendulum"). the centripetal force that holds the rock in its circular path is the
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The substances that are necessary for producing of certain hormones and that store and transport vitamins
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How does an observation about an object differ from an inference about that object
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Physics, 22.06.2019 19:50
State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory
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Physics, 22.06.2019 21:00
Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.
Answers: 1
Nellie newton swings a rock into a circular path while holding an attached string overhead. the stri...
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