Hysics 1 (2020) USE
Jame:
Acceleration
Pre-Test Active
TIME REMAINING
1
2
3
4
5
6
7
8
9
11:25
The diagram shows a motion map.
Which best describes the motion of the object between 1
and 4 seconds?
The object has decreasing acceleration and increasing
velocity
The object has positive acceleration and eventually
.
> > >
stops
х
The object has decreasing acceleration and decreasing
velocity
The object has negative acceleration and eventually
stops
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?