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Natali5045456 [20]
3 years ago
7

Look around the room you are in. Name

Physics
2 answers:
hodyreva [135]3 years ago
7 0

Answer:

Water is a conductor,

An Eraser is an insulator.

Explanation:

Water contains charged ions and impurities that make it a very good conductor of electricity.

The properties of rubber (eraser) causes the electrons to slow down and eventually prevent them from moving at all. Keeping electricity bound within the material is the main goal of an insulator.

kozerog [31]3 years ago
3 0

Answer:

A wire,rubber

Explanation:

yes

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Explanation:

The acceleration of gravity is 9.8m/s^2.

So to calculate the time it will take to make the ball stop(which btw means the ball now reach its greatest height), use the formula V1=V0+at. V1 is the final velocity(which is 0), V0 is the starting velocity(which is 30m/s), and the a(cceleration) is 9.8m/s^2.

(You can ignore the fact "at" is -30 instead 30, it's because the directions two velocity travel are opposite. )

We can now know the time it takes to make the ball stop just by the gravitational force is about 3 sec.

Use another formula S=1/2at^2, to find out the S(height) is 1/2*9.8*3^2=44.1, which is approximately D.45m .

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Does the galvanometer deflect to the left or the right when:________
igomit [66]

Complete question is;

Does the galvanometer deflect to the left or the right when

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