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3 years ago

How to make your own earthquake detector

Social Studies

1 answer:

professor190 [17]3 years ago

6 0

Explanation:

(x2) 741 OpAmps (Radioshack Catalog #: 276-007)

(x1) 9V Relay (Radioshack Catalog #: 275-005)

(xvar) jumper wires (Radioshack Catalog #: 276-102)

(x2) Heavy duty 9V battery clips (Radioshack Catalog #: 270-324)

(x2) 9V batteries (Radioshack Catalog #: 23-866)

(x1) Prototyping PCB (Radioshack Catalog #: 276-170)

(x1) Piezo Buzzer (Radioshack Catalog #: 273-080)

(x1) 5K Ohm Potentiometer (Radioshack Catalog #: 271-1714)

(x1) Potentiometer cap (Radioshack Catalog #: 274-415)

(x1) 470 Ohm Resistor (Radioshack Catalog #: 271-1317)

(x1) 3" diameter acrylic tube

(x1) Magnet (Radioshack Catalog #: 64-1888)

(xvar) lamp-pull ball-chain

Tools:

Solder

Soldering Iron

Wire Snips

Hot Glue Gun

I used a laser cutter to make my own personal enclosure, but one could easily modify a pre-made project enclosure to suit the needs of this project.

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Which section of a research article includes an explanation of the procedures used to conduct the experiment?.

zvonat [6]

The section of a research article that includes an explanation of the procedures used to conduct the experiment is the methods section.

<h3>What is a Research Article?</h3>

This refers to the written document that shows the steps and processes used to complete an experiment and the results gotten.

Hence, we can see that there are different parts of a research article and when the explanation of procedures is made about the experiment, this is included in the methods section.

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2 years ago

How did the African National Congress (ANC) work to end apartheid?

k0ka [10]

Answer:

It is through violence. A further explanation is given below.

Explanation:

ANC would have been against Apartheid as well as almost always decided to seek to fall victim to each other through violent behavior.
It started happening even after the tragedy of 700 real police learners, while the aforementioned protested and against the racial segregation administration's proposal to remove about there dialect of academic achievement to that same Afrikaans.

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3 years ago

At 8 months gestation, a fetus hears a phone ring repeatedly and is likely to experience _____ over the course of several minute

Marta_Voda [28]

Answer:

Initial change in heart rate, with decreased changes as the ringing continues

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1 year ago

What is absolute monarchy?

ludmilkaskok [199]

Absolute monarchy is a form of monarchy in which the monarch rules in their own right. In this kind of monarchy, the king is usually limited by a constitution. However, in some absolute monarchies, the king is by no means limited and has absolute power. These are often hereditary monarchies.

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2 years ago

2. Of the three regions, which was

stepladder [879]

Answer:

Parent Nation : Great Britain , Parent Nation's (Great Britain's colony) : America , Foreign Market : Africa

Explanation:

As per 'Triangular Trade & Mercantilism' case study ; linking - Great Britain, West Africa & colonies in America. The trade relationship from A to B, B to C, C to A - has following three regions

Parent Nation : Great Britain
Parent Nation's (Great Britain's colony) : America
Foreign Market : Africa

Eg : Great Britain manufactured goods supplied in Africa. In return, West Africa supplied cheap labour to colonial America. Colonial America further supplied goods needed by Great Britain.

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2 years ago