Question

Do you know this ? Not sure if I’m right

Answer 1

Given data:

The initial velocity of the train is,

$\begin{gathered} v_i=9\text{ miles/hour} \\ v_i=\frac{9}{2.237}\text{ m/s} \\ v_i=4.02\text{ m/s} \end{gathered}$

The final velocity of the train is,

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Solution:

The average acceleration of the train is,

$a=\frac{v_f-v_i}{t}$

where v_f is the final velocity, v_i is the initial velocity, and t is the time taken,

Substituting the known values,

$undefined$