Question 5 (04.03 LC)
Which part of a plant cell is a rigid layer that surrounds the cell membrane? (1 point)
а
Cell wall
b
Cytoplasm
C
Mitochondrion
d
Vacuole

If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?