4. Draw conclusions: What is the minimum energy required to break the egg?
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity