3 years ago

Describe the structure of an atom

1 answer:

5 0

Answer: Atoms consist of 3 particles: protons, electrons, and neutrons. The nucleus of the atom contains the protons and neutrons. The outer regions contain the electrons

Explanation:

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For a reaction to occur what must happen to the energy in order to break the chemical bond

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Energy needs to realease

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2 years ago

A wave is produced from a vibrating string on a violin. Two observers are standing 20 m and 40 m away from the musician. The obs

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Well the one that is closer can see and hear more

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2 years ago

When its 75 kW (100 hp) engine is generating full power, a small single-engine airplane with mass 700 kg gains altitude at a rat

kobusy [5.1K]

Answer:

0.2289

Explanation:

Power required to climb= Fv where F is force and v is soeed. We know that F= mg hence Power, P= mgv and substituting 700 kg for m, 9.81 for g and 2.5 m/s for v then

P= 700*9.81*2.5=17167.5 W= 17.1675 kW

To express it as a fraction of 75 kw then 17.1675/75=0.2289 or 22.89%

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2 years ago

This is a change in an object's position. <br> Net Force<br> Gravitational Pull<br> Motion<br> Force

alexira [117]

Answer:

Motion

Explanation:

because when something moves its call motion

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2 years ago

Plants make food through photosynthesis, and photosynthesis takes place mostly in plant leaves, but when plants lose their leave

Nastasia [14]

Answer:

The answer is not B or D because they need light co2 and water to make their food so B and D are out. and unless someone is walking during winter to feed it. It will not be A so the answer is C.

Explanation:

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3 years ago