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A train was moving along east at 25 m/s, but brakes for 3 seconds, reducing its velocity to 13 m/s east. What was its displacement while braking?
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3 votes
A train was moving along east at 25 m/s, but brakes for 3 seconds, reducing its velocity to 13 m/s east.

What was its displacement while braking?

User Nani
by
4.4k points

1 Answer

2 votes

Answer:

57 m

Step-by-step explanation:

Given:

v₀ = 25 m/s

v = 13 m/s

t = 3 s

FInd: Δx

Δx = ½ (v + v₀) t

Δx = ½ (13 m/s + 25 m/s) (3 s)

Δx = 57 m

User Eldamir
by
4.7k points
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