Persamaan sebuah posisi partikel r=(t^3+2t)i+(94t^2)j dengan r dalam meter dan t dalam s. besar percepatan partikel pada saat adalah m/s adalah

Agalvanometer has an internal resistance of 100 ω and deflects full-scale at 2.00 ma. what size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 ma, and how should this resistor be connected to the galvanometer?

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At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid