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What are similarities and differences of reflection, refraction, diffraction and absorption?
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An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0Ā° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?
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Heterogeneous mixture with larger particles that never settle is
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Which of the following is a category of mechanical wave?
O A. Transverse
B. Frictional
...
B. Frictional
...
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