Jamai is playing in the arcade at six flags. at one booth, he throws a 0.5 ka ball with a velocity of 21 mis and
hits a 0.2 kg bottle sitting on a shelf. the bottle goes flying forward at 30 m/s.
a. what is the velocity of the ball after it hits the bottle?

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules,vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false

Me with this. my grade is a 62.3 this will get it up alot.