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Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.
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Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves
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Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class
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25. How long does it take to accelerate an object from rest to a speed of 80 m/s at
an acceleratio...
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