Question

Darin skateboarded to the west at 8 m/s. In 7 seconds, he slowed down to 3

Answer 1

Answer:

C) -0.71m/s²

Step-by-step explanation:

V = V0 + at

V = final veloctiy

V0 = Initial velocity

a = acceleration

t = time

3 = 9 + a7

-5 = a7

$-\frac{5}{7}$ = a

a ≅ -0,71