Answer:
11.25m
Explanation:
vf^2=vi^2+2ad
0^2=15^2+2×(-10)d
0=225+-20d(remove 225 by doing the opposite operation)
-225÷-20=-20d÷-20(remove -20 by dividing by itself)
11.25= d (the answer becomes this)
?.............................
Force bc it says the ability to make stuff happen
B)False........... It's efficiency factor