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What are the methods of crushing rock?
How to crush big rocks into small ones is a simple yet complex problem. Here, we introduce several methods of breaking rocks. Of course, which method ...
Posted 3+ months ago | 0 answers | 
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Related topics: rock, course, simple, complex, problem, breaking, crush
What historical, social, and cultural forces shaped the Harlem Renaissance?
Posted 3+ months ago | 0 answers | | Open
Related topics: renaissance, force, cultural, shaped, historical, social, harlem
A force of 20 N acting on an object of mass 2.0 kg initially at rest on a horizontal rough surface?
... is shown in the figure. The coefficient of kinetic friction between the object and the surface is 0.25. What is the kinetic energy of the object ...
Posted 3+ months ago | 0 answers | | Open
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