A tiny ball 0.6g carries a charge of magnitude 0.8microcoloumb. it is suspended by a thread in a downward 300N/C electric field. what is the tension if the charge is positive, and if the charge is negative

Most energy in an ecosystem comes originally from_

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

The pressure proportional to the area a- inversely b- directly c- increase d-decrease