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Strike441 [17]
2 years ago
12

Which of the following methods would be the best method for separating oil from water?

Chemistry
1 answer:
vazorg [7]2 years ago
8 0
Oil and water can separate by utilizing a separating funnel, oil and water are totally insoluble in one another. The water structures lower while the oil forms the upper layer.
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Why is Newton's first law of motion important to science?
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in the diagram shown below, the blue light ray represents a ray of light incident on a boundary between media. the diagram repre
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2 years ago
A car traveling at a speed of 30.0 m/s encounters an emergency and comes to a complete stop in 7.5 seconds? What is the cars acc
Marianna [84]

Answer:

The acceleration is: 4m/s^2

Explanation:

Given

u = 30.0m/s --- The initial velocity

t = 7.5s --- time

v = 0m/s -- The final velocity

Required

Determine the acceleration

To do this, we make use of the first equation of motion

v = u - at

We used negative because the car was coming to stop.

This gives:

0 = 30 - 7.5 * a

0 = 30 - 7.5a

Collect like terms

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