Read this headline:

"president's speach is a total bummer! "

why doesn't the headline sound credible?

a. it mentions the president.

b. it is an opinion, not a fact.

c. it uses an exclamation mark.

d. it uses an informal expression.

the answer to number one is b the answer to number to is a

the boy's acceleration toward the girl is 2.08 m/s^2.

explanation:

according the newton's third law, the force causing the girl accelerate towards the boy will be me with equal counter-force causing the boy to accelerate towards the girl. these forces will be of equal magnitude and allows us to determine the boy's acceleration:

the boy's acceleration toward the girl is 2.08 m/s^2.