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Answered

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A bus travels at 6.0 m/s then comes to a complete stop in 2.0 seconds.
What is the average acceleration of the bus?

Sagot :

3 m/s² is the answer.

Explanation:

Given:-

Speed = 6.0 m/s

Time = 2.0 s

Average acceleration = ?

Assume initial speed S(initial) as 0 as it started from rest position to movement.

Final speed of S(final) is 6

Now, we can find it,

[tex]Average \: acceleration = \frac{speed \: change}{time}[/tex]

[tex] = > Av.\: accel. = \frac{S^{final} -S^{initial} }{T}[/tex]

[tex] \: \: \: \: = > \frac{(6 - 0)}{2}[/tex]

[tex] = > \frac{6}{2} [/tex]

Reducing to lowest terms,

[tex] = > 3 \: m/ {s}^{2} [/tex]

Hence, the average acceleration of the bus is 3 m/s²

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