If someone were to throw an object vertically, and catch it as it returned back down, describe how the velocity vector of this object changes over this period.

the g force from when it was thrown to were it comes back down

Explanation:

while your throwing it you applying force which it would have a stronger g force but when the gravitationally pull come into effect it's will lose some of that force

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

the answer is 3.1 his answer is wrong mines is right