Answer:
a.After
second Mr Comer's speed

b.Distance travelled by Mr.Comer in
seconds

Explanation:
a. Lets recall our first equation of motion 
Now we know that
,
and

Plugging the values we have.




Then Mr.Comer's speed after
sec

b.
Lets find the distance and recall our third equation of motion.

So
distance covered.
Dividing both sides with 2a we have.

Plugging the values.


So Mr.Comer will travel a distance of
.
When looking for distance you multiply speed by time
So 15 x 2 = 30
30 is the distance between his house and school
Answer:C..net work done on the object.
Explanation:
Answer:
An electrolytic cell converts electrical energy into chemical energy.
Explanation:
Answer:
Since this is old, im just gonna get these points, don't wan't them to go to waste lm.ao
Explanation: