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trying to find out if a or b has the greater value of _____ Displacement from t = 0 s to t = 5s _____ Displacement from t = 0 s to t = 2.5s _____ Displacement from t = 2.5 s to t = 5s _____ Average velocity from t = 0 s to t = 5s _____ Average velocity from t = 0 s to t = 2.5s _____ Instantaneous velocity at t = 5s

Trying To Find Out If A Or B Has The Greater Value Of Displacement From T 0 S To T 5s Displacement From T 0 S To T 25s Displacement From T 25 S To T 5s Average class=

Sagot :

Answer:

= : Displacement from t = 0 s to t = 5s

A: Displacement from t = 0 s to t = 2.5s

B: Displacement from t = 2.5 s to t = 5s

= : Average velocity from t = 0 s to t = 5s

A : Average velocity from t = 0 s to t = 2.5s

B: Instantaneous velocity at t = 5s

Explanation:

The displacement is the difference between the final and the initial position.

Since at t = 0 and t = 5, A and B have the same position, the displacement was equal. So, the first answer is

= : Displacement from t = 0 s to t = 5s

In the same way, we can see that at t = 2.5 the position of A is greater than the position of B, so from t = 0 to t = 2.5, A has a greater difference of position but from t = 2.5 to t = 5, B has a greater difference of position. Then:

A: Displacement from t = 0 s to t = 2.5s

B: Displacement from t = 2.5 s to t = 5s

The average velocity is equal to the displacement divided by the time. if the time is equal, the average velocity will be greater if the displacement is greater. So:

= : Average velocity from t = 0 s to t = 5s

A : Average velocity from t = 0 s to t = 2.5s

Finally, the instantaneous velocity is the slope of the graph at t = 5. The greater the slope, the greater the velocity. Since the slope of B is greater than the slope of A at t = 5, we can say that B has a greater instantaneous velocity at t =5, so:

B: Instantaneous velocity at t = 5s

So, the answers are:

= : Displacement from t = 0 s to t = 5s

A: Displacement from t = 0 s to t = 2.5s

B: Displacement from t = 2.5 s to t = 5s

= : Average velocity from t = 0 s to t = 5s

A : Average velocity from t = 0 s to t = 2.5s

B: Instantaneous velocity at t = 5s

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