An airplane is traveling at a constant speed of 600miles per hour. How many feet does it travel in 9seconds? Remember that 1 mile is 5280 feet.

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Answer:

The airplane will travel 7,920 feet in 9 seconds.

Step-by-step explanation:

Givens

  • The speed of the airplane is 600 mph.
  • The time is 9 seconds.

To find the distance in feet, we need to transform, because, we have the speed in miles per hour, and we need to work with feet and seconds.

We know that 1 mile is 5280 feet, and 1 hour is 3600 seconds. We use this to transform the speed

[tex]600\frac{mi}{hr}\frac{1hr}{3600sec}\frac{5280ft}{1mi}= 880 ft/sec[/tex]

Now, the airplane is traveling at a constant speed. So, the movement can be described as

[tex]d=st[/tex], where [tex]d[/tex] is distance, [tex]s[/tex] is speed and [tex]t[/tex] is time.

Replacing all values, we have

[tex]d=880ft/sec(9sec)=7,920ft[/tex]

Therefore, the airplane will travel 7,920 feet in 9 seconds.

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