please help this is very important i will give you brain thing if its correct and no links pwease <3

i think its 15/2 if im wrong sorry

Explanation:

how many characteristics are used to describe living things?

explanation:

a. formula: f=ma or f/m=a

10,000n/1,267kg≈7.9m/

b. formula: a= and s=d/t

speed= 394.6/15

s=26.3m/s

a=

a=1.75m/

c. 7.9-1.75=difference of 6.15m/

d. the force that most likely caused this difference is friction forces