Question

Dean is slowing down on his skateboard. He starts at a speed of 5.5 m/s and slows to 1.0 m/s over a time of 3.0 seconds. What is Deans acceleration?

Answer 1

Step-by-step explanation:

we know that acceleration =Δv/t

Δv=vf-vi

Δv=1.0-5.5=-4.5

now

a=-4.5/3.0

a= -1.5m/s²