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Serhud [2]
3 years ago
10

Given the speeds of each runner below, determine who runs the fastest. Noah runs 8 feet per second. Jessica runs 358 feet in 34

seconds. Adam runs 1 mile in 444 seconds. Liz runs 592 feet in 1 minute.
Biology
2 answers:
andrey2020 [161]3 years ago
8 0

Answer:

Adam

Explanation:

Noah: 8 feet per second

Jessica: 358 feet / 34 seconds = 10.53 feet / second (just divide the feet / seconds.

Adam:

1 mile = 5280 feet

Adam runs 5280 / 444 seconds = 11.89 feet per second

Liz:

1 minute = 60 second.

Liz runs 592 feet / 60 seconds = 9.87 feet / second

Answer: Adam

rodikova [14]3 years ago
6 0

Answer: Adam

Explanation: Here we just need to find the speed of each runner in a single unit of expression to compare them.

we know, Speed = \frac{Distance}{time}

For,

<u>Noah:</u>

Distance= 8 feet

time= 1 sec.

∴ speed = 8 fps

<u>Jessica:</u>

Distance= 358 feet

time= 34 sec.

∴ speed = \frac{358}{34} = 10.5294 fps

<u>Adam:</u>

Distance= 1 mile = 5280 feet

time= 444 sec.

∴ speed = \frac{5280}{444} = 11.892 fps

<u>Liz:</u>

Distance= 592 feet

time= 1 min. = 60 sec.

∴ speed = \frac{592}{60} = 9.867 fps

<em>From the above results we find that  Adam is the fastest runner.</em>

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