A wheel of perimetre 220cm rolls ona level road at a speed of 9 km per hr.how many revolutions does the wheel make per second?
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Explain which carbonate mineral reacts readily with cool dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?
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what is specific fuel consumption,total fuel consumption,mean effective pressure,indicated thermal efficiency...
Define inclination?
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What is geochemists?
Which is the sound wave that is below the human hearing?
What are the 4 results of the photoelectric effect experiments? : quantum physics
How do you calculate the age of earth?
What is anode?
Explain what is the heterogenous?
Explain which way do twin screw props on a boat rotate when propelling the boat forward?
What does gravitational force depend on?
explain the proper definition of light?
What is magnetism?