SOMEONE HELP ME ASAP PLEASE While in empty space, an astronaut throws a ball at a velocity of 9 m/s. What will the velocity of the ball be after it has traveled 2 meters?
Group of answer choices

A. 9 m/s

B. 7 m/s

C. 0 m/s

D. 11 m/s

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

hope this mark me brainliest

the objects have the same charge.