Two pebbles are dropped into a pool of water as shown. If a new wave with a greater amplitude results, which kind of wave interaction has occurred?

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

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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