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anyone know how to do this question, i'm lost :huh:

A car and a train move together along straight, parallel paths with the same constant cruising speed (V initial) . At t=0, the car driver notices a red light ahead and slows down with constant acceleration (-acceleration initial) . Just as the car comes to a full stop, the light immediately turns green, and the car then accelerates back to its original speed (V initial) with constant acceleration (acceleration initial). During the same time interval, the train continues to travel at the constant speed (V initial).

In terms of initial V and initial acceleration:

a) How much time does it take for the car to come to a full stop?

b ) How much time does it take for the car to accelerate from the full stop to its original cruising speed?

c) The train does not stop at the stoplight. How far behind the train is the car when the car reaches its original speed (V initial) again?

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Yep!

You know from parts a & b that t = t1 + t2 = total time for car to reach V initial again. You know the acceleration of the car (you can use the absolute value of the acceleration because the car never travels backwards). You know V, which is the same for both vehicles. You know the acceleration (or lack thereof) of the train.

Just plug it all in to find d[train] - d[car].

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can someone please explain what is character development and a good example in animal farm?

I need to know why the character development better than book

can someone tell me if this is all right

My first one is the book have more details, character development, and finally better message?

anyone can help me?

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can someone please explain what is character development and a good example in animal farm?

I need to know why the character development better than book

can someone tell me if this is all right

My first one is the book have more details, character development, and finally better message?

anyone can help me?

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Share on other sites

can someone please explain what is character development and a good example in animal farm?

I need to know why the character development better than book

can someone tell me if this is all right

My first one is the book have more details, character development, and finally better message?

anyone can help me?

Link to comment
Share on other sites

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