Physics, 12.08.2020 07:01 jady20krazy
Based on The MOHS hardness Scale, which mineral could be scratched by a penny but not by a fingernail
A. Fluorite
B. Calcite
C. Gypsum
D. Talc
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What is the momentum of a 2 kg object moving at 15 meters per second
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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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Based on The MOHS hardness Scale, which mineral could be scratched by a penny but not by a fingernai...
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