Answer:
The acceleration is: 
Explanation:
Given
--- The initial velocity
--- time
-- The final velocity
Required
Determine the acceleration
To do this, we make use of the first equation of motion

We used negative because the car was coming to stop.
This gives:


Collect like terms

Solve for a


We live in the Milky Way Galaxy
Answer:
all the statements are true of chemical changes
Answer: Barium is +2, Fluorine is -1
Explanation:
The charge of barium is +2, and the charge of fluorine is -1. You can determine this from the periodic table groups.
The formula for barium fluoride is thus BaF2.