lilyhanson lilyhanson

20-05-2020
Physics

contestada

An object is moving at 100 m/s and comes to a stop in 25 seconds. What is its acceleration?

Respuesta :

galacticpaige20 galacticpaige20

20-05-2020

Answer:

-4m/s²

Explanation:

a = Δv/t

Our change in velocity is equal to v₂-v₁, which in this equation is 0 m/s - 100 m/s, so our change in velocity is -100m/s. Now plug that and our time into the equation, like so:

a = (-100m/s)/(25s) a= -4m/s².

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