Bromine has 7 electrons in their valence shell.......
Answer:
The acceleration is: 
Explanation:
Recall that acceleration is defined as the change of velocity over the time it took to produce this change. This is expressed mathematically as:
with 
being the initial velocity of the person (in our case 4 m/s);
being his final velocity (in our case 15 m/s);
and the difference 
the time the change in velocity took (in our case 1 second).
Therefore in our example, the person's acceleration is:
Explanation:
they'll dewwel jss q.v hewn red f quill DC noo
I agree with Maria and disagree with Mike.
The earth has gravity and that pulls objects towards the center of the planet
Answer:
D. a person pulling a sled.
Explanation:
contact force only occurs when something directly comes in contact with another object.
a. is wrong because that is called magnetic force.
b. gravitational force
c. is an electrical force
