You and your little brother are rolling toy cars back
and forth to each other across the floor. He is sitting
at x= 0, and you are at x = 4.0 m. You roll a car
toward him, giving it an initial speed of 2.3 m/s,
stops just as it reaches him in 3.0 s.

the results is a decrease in air temperature with an increase of altitude.

explanation:

1/0.14nm = 10^10/1.4 a lot

another example of kinetic energy would be,

kinetic energy   >     moving energy

answer   >   letter choice (c),   a hammer falling off a table.

hope that !                                         : )

f=ma newton

f=100x2.5=250n