The answer & explanation for this question is given in the attachment below.
Answer:
a
The total distance is 
b
The displacement is

Explanation:
From the question we are told that
Distance traveled by the ball for first player
to the right
Distance traveled by the ball for second player
to the left
The total distance traveled by the ball is mathematically represented as

Substituting values


The displacement is mathematically represented as
This is because displacement deal with direction and from the question we are told that right is positive and left is negative
Substituting values


C. located in front of the lens
Answer: PAPPER:D
Explanation:IM THE MYSTERY MAN WHOOSH??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
Answer:
true
Explanation:
according to the Newton's third law