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3 years ago

Select all that apply.

2 answers:

7 0

A chemist is likely to:
<span>1. analyze the ingredients in ice cream
</span><span>2. determine how to separate gasoline from other substances in petroleum</span>

Shkiper50 [21]3 years ago

5 0

Answer: Analyze the ingredients in ice cream.

Determine how to separate gasoline from other substances in petroleum.

Explanation:

A chemist is a scientist who posses the knowledge of the discipline chemistry. The chemists studies the properties of the chemicals or any other matter present in nature. A chemist can perform testes to identify and quantify substances found miscible in the mixture.

Among the options given, the following are the correct options.

Analyze the ingredients in ice-cream.: The chemist can perform chemical tests to identify and quantify the ingredients present in the ice-cream.

Determine how to separate gasoline from other substances in petroleum.: The petroleum or crude oil can include other volatile substances such as gasoline therefor, suitable chemical extraction processes can be performed to separate such volatile substances.

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an object is acted on by a drag force with a magnitude that is proportional to the speed. the object accelerates downward at 3.0

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The terminal speed acquired by the body when,

Weight of the body = Drag force of the body

It is given,

Drag force is directly proportional to the speed,

So,

F = CV

Where F is drag force,

V is the speed,

C is the constant,

So, it can be written as C = F/V.

The weight of the body = mg

The weight of the body = 10m

M is the mass and g is the acceleration due to gravity,

The drag force when the speed is 20m/s.

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a is the acceleration during the drag force which is given to be 3m/s²,

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Now we can write,

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Now, it can be written,

3m/20 = 10m/V₂

V₂ = 66.67 m/s.

So, the terminal speed is 66.67m/s.

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