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9. A nonstop bus ride from the bus station in Atlantic City, New Jersey, to the bus station in Albany, New York,
took 6 hours. If the average speed of the bus was 21 meters per second, what is the distance between the two
bus stations, to the nearest kilometer?
a.756 kilometers
b. 126 kilometers
c. 454 kilometers
d. 350 kilometers

Sagot :

Answer:

C

Step-by-step explanation:

EASY IVE DONE IT

Using conversion of units and the relationship between velocity, distance and time, it is found that the distance between the two stations is of:

c. 454 kilometers

Velocity is distance divided by time, that is:

[tex]v = \frac{d}{t}[/tex]

In this problem:

  • Time of 6 hours, hence [tex]t = 6[/tex].
  • Velocity of 21 m/s. To convert from m/s to km/h, we multiply by 3.6, hence [tex]v = 21(3.6) = 75.6[/tex]

Then, solving for the distance:

[tex]v = \frac{d}{t}[/tex]

[tex]75.6 = \frac{d}{6}[/tex]

[tex]d = 6(75.6)[/tex]

[tex]d = 453.6[/tex

Rounding up, 454 km, option c.

A similar problem is given at https://brainly.com/question/24316569

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