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klio [65]
4 years ago
11

What are 3 facts you learned about the periodic table:

Physics
1 answer:
d1i1m1o1n [39]4 years ago
7 0

Answer: the rarest element is Francium. J is not on the periodic table. also Dmitri Mendeleev proposed the periodic table.

Explanation: Kinda looked the last one up.

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You apply the same force to two objects. Object 1 has mass M and object 2 has mass 5M. The acceleration of object 2 is
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five times that of object l

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A _____ tide occurs when the ocean's surface reaches its maximum height in a particular place on any particular day.
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A measurement of density (mass/volume) is performed by measuring the mass of a sample of a rough cubic piece of metal on a balan
koban [17]

Answer:

Random errorrs

1) Variations in the level of the eye when we measure the dimensions of the cubic piece using the metric rule.

2) Possible vibrations or disbalance when we measure the mass of the of the cylinder.

Systematic errors

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Explanation:

Previous concepts

Random error represent an statistical error associated to the effect random in the experiment.

Systematic error is a "repeatable error associated with faulty equipment or a flawed experiment design", so is an error non controlled.

Solution to the problem

So as we can see we have two possible types of errors : random and systematic errors. For this stuation the list of 3 errors required are:

Random errors

1) Variations in the level of the eye when we measure the dimensions of the cubic piece using the metric rule.

2) Possible vibrations or disbalance when we measure the mass of the of the cylinder.

Systematic errors

3) Wrong calibration for the balance and that represent a measurement wrong

8 0
4 years ago
In which list below do the experimental steps appear in the order in which they are done?
fgiga [73]
The answer is B . You begin with a purpose for the lab, then hypothesize on what you believe will happen. Next, follow the procedures. This is always the last step, Anatoly did. Reflect upon you hypothesis, did the lab support or disprove your hypothesis. Include observations you have made. Identify errors.
5 0
3 years ago
Stan walks 10km west to the grocery store. He shops then walks back 10 km east back to his house. What distance did he cover? Wh
Lesechka [4]
Stan’s displaceent is 0 km because he ends his walk where he started.
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3 years ago
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