Stewart (70 kg) is attracted to Ms. Little (60 Kg) who sits 2 m away. What is the gravitational attraction between them?
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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