Physics, 05.05.2021 03:00 olivya2005d
two students in a science classroom are debating about whether the tables are made of wood or plastic. as the teacher passes by, she suggests, use cell theory to find the truth. propose a scientific investigation to determine whether the tables are wooden or plastic. Include your hypothesis, what steps the students should take, and any materials they might need to carry out the produce.
Answers: 1
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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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Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
Answers: 1
two students in a science classroom are debating about whether the tables are made of wood or plasti...
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