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VLD [36.1K]
3 years ago
7

Elements in Group 18, at the far right of the periodic table, are called what?

Physics
1 answer:
alekssr [168]3 years ago
5 0
The elements is group 18 on the periodic table are called "Nobel Gases".
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An experiment is performed on an unknown material and produces the given heat curve. The temperature of the material is shown as
BlackZzzverrR [31]

Answer:

In the table, 1=46.7 °C, 1=165 J, 2=819 J, 3=1510 J, and 4=2830 J.

Other experiments determine that the material has a temperature of fusion of

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If the sample of material has a mass of =8.60 g, calculate the specific heat when this material is a solid, and when it is liquid, l

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3 years ago
You will measure and record the time it takes the cart to travel certain distances, and then complete some calculations. In the
natka813 [3]

Answer:

Take the measurement of the distance (d) with a meter rule (in meters) and also measure the time (t) of the travel in seconds with a stopwatch.

question: What is the speed of the cart?

Explanation:

The speed of an object in motion is the distance covered by the object with respect to time, that is, the ratio of distance covered to the time taken to reach that distance.

Speed = distance / time

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6 0
3 years ago
3. A pendulum with a 1.0-kg weight is set in motion from a position 0.04 m above the lowest point on the path of the weight.
gavmur [86]

Answer: K.E = 0.4 J

Explanation:

Given that:

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The kinetic energy of the pendulum at the lowest point is 0.39 Joule

6 0
3 years ago
Which motion listed below matches the graph?
mote1985 [20]
Bro I really think it might be c
7 0
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Why do metals make good electrical conductors?
alexdok [17]

Answer:

Explained

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Metals are good conductors of electricity because they contain free electrons in their atoms. The outer shell of atom's of metal have free electrons. These free electrons are responsible of electrical conductivity of metals. These electron are not bounded by the attraction forces of the nucleous. They are free to wonder in lattice of positive ion and thus allow electrical conductivity.

3 0
3 years ago
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