The efficiency of a machine increases as the temperature inside relative to the temperature outside.

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Describe cytokinesis in plants and animals. in animals: in plants.

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?