Chemistry: Atrain approaching a crossing changes speed from 10 m/s to 25 m/s in 240 s. how can the train s acceleration be described?

Atrain approaching a crossing changes speed from

Ответ:

rogersdanny7347

17.01.2022

Chemistry

$\boxed{\text{The train is speeding up by 0.0625 m/s every second}}$

Explanation:

Acceleration (a) is the change in velocity (Δv) divided by the change in time (Δt).

$a = \frac{\Delta v}{\Delta t} = \frac{v_{2} - v_{1} }{t_{2} - t_{1}} \\\\a = \frac{25 - 10}{240 - 0}=\frac{15 }{240}=\text{0.0625 m/s}^{2}\\\\\ \boxed{\textbf{The train is speeding up by 0.0625 m/s every second}}\\$

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Ответ:

SophieStar15

21.02.2022

Chemistry

BILL NYE THE SCIENCE GUY

Explanation:

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Atrain approaching a crossing changes speed from 10 m/s to 25 m/s in 240 s. how can the train's acceleration be described?

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