The main food for organisms in the deep-water zone is a. photosynthetic plankton. c. dead organisms from above. b. live trout. d. water lilies.

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Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.

As you lift an 88 n box straight upward you produce a power of 72 w. what is the speed of the box?