(a) what is the sum of the following four vectors in unit-vector notation? for that sum, what are (b) the magnitude, (c) the angle in degrees, and (d) the angle in radians? positive angles are counterclockwise from the positive direction of the x axis; negative angles are clockwise. : 6.00 m at + 0.900 rad : 5.00 m at - 75.0° : 4.00 m at + 1.20 rad : 6.00 m at - 210°

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

Why don't you see your reflection in water with waves or repples