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3 years ago

15

A runner starts at point A runs around a 1 mile track and finishes the run back at point A. Which of the following statement is

true

1 answer:

Zanzabum3 years ago

4 0

The runner's displacement and average velocity are both zero. (I hope this answer is on the list of choices that you neglected to share.)

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A 2011 Porsche 911 Turbo S goes from 0-27 m/s in 2.5 seconds. What is the car's acceleration?

Natalka [10]

Answer:

-10.8m/s^2

Explanation:

a=change in velocity/change in time

-27 m/s/2.5=10.8m/s^2

or if its not negative

27m/s/2.5=10.8m/s^2

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2 years ago

What happens when you place two magnets close together.

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They attract and stick together

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2 years ago

A crime suspect fled the scene when police officers entered the building. How far could he run in 10 minutes if he can run 5 mil

emmainna [20.7K]

(5 mi/hr) x (1hr/60min) x (10min) = 5 x 10 / 60 = <em>5/6 mile</em>

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3 years ago

Substitute the value 26.7 (or the exact value of 80/3) for x in the first of the original equation (x + y = 40) to find the valu

Tatiana [17]

Complete Question

The complete question is shown on the first uploaded image

Answer:

the value of $y = 13.3$

Explanation:

From the question we are told that

The equation is (x + y = 40)

The first value of x is $x_1 = 26.7$

The second equation is (0.75x + 1.5y = 40)

So substituting $x_1$

$26.7 + y = 40$

=> $y = 13.3$

Now substituting y and $x_1$ into second equation

$0.75(26.7) + (1.5* 13.3) = 40$

=> $40 = 40$

So $y = 13.3$

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3 years ago

Which of Newton's laws accounts for the following statement? "Negative acceleration is proportional to applied braking force." f

Vinil7 [7]

I believe it is Newtons Second Law! :)

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2 years ago

Read 2 more answers