the perimeter of the skating rink is 75m a student skates the perimeter of the Ring four times in 5 minutes what is the average speed of the student in meters per second

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Step-by-step explanation:

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The Acceleration of the object is 2 m/s².

Step-by-step explanation:

Given :

Initial velocity = 10 m/s

Final velocity = 20 m/s

Time taken = 5 seconds

To find:

The acceleration of the body

Solution :

v = 20

u = 10

t = 5

a = Acceleration

\boxed{\tt{a = \frac{v - u}{t}}}a=tv−u

⇒ a = \tt{ \dfrac{20 - 10}{5}}520−10

⇒ a = \tt{\dfrac{10}{5}}510

⇒ a = 2

Acceleration = 2 m/s²

Therefore, the Acceleration of the object is 2 m/s².

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0