Question

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What is the acceleration of an object if it goes from a velocity of +25 m/s to rest in 5.0 s?

A.
-5 m/s2

B.
+5 m/s2

C.
-25 m/s2

D.
+25 m/s2

Answer 1

@sammixboo

Answer 2

You can apply this formula \(a=\Large \frac{v_{final}-v_{initial}}{t}\)

Answer 3

as @tinybookworm says, \[\frac{ 0-25 }{ 5 }= -5 m/s2\]