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Nikitich [7]
2 years ago
15

What is cohesion force​

Physics
1 answer:
olchik [2.2K]2 years ago
3 0

Answer:

The force of attraction between the molecules of the same substance

Explanation:

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The first transistor, made of gold, plastic, and germanium (a metallic
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The first transistor made of gold, plastic and germanium was about the size of adult's fingernail.

Option C

<u>Explanation:</u>

The first transistor made of gold, plastic and germanium was invented in Bell laboratories. It is termed as point contact transistor. As it is made like a pointed arrow with both the sides covered with layer of gold foil. The germanium is used at the tip, just like the base and the gold foil ends as collector and emitter.

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0.283m

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The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to
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A. False

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A. False: The system being analyzed consists of the bug and the car.  These are the two bodies involved in the collision.

B. True: The system being analyzed consists of the bug and the car

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D.False: There is barely any change in the momentum of the car since the mass of the bug is very small.

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H. False: The car barely changes in momentum because the collision does not affect its speed so much. on the other hand the momentum change of the bug is large since its mass is small.

I. True: The bug which was initially at rest will begin moving with the velovity of the speeding car, while the car barely changes in its velocity

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