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Oksana_A [137]
3 years ago
13

List the three laws of Newton in your words. Give an example of each.

Biology
2 answers:
OLga [1]3 years ago
3 0

1. For every action there is an equal and opposite reaction

2. Force = mass times acceleration

3. An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted on by another force.

3. One example is a rock rolling down a hill. You could use a stick or your foot to stop it, but otherwise it would keep rolling

2. An example for law No.2 is pushing a shopping cart. If you push an empty shopping cart, it will go faster than a full shopping cart because the full shopping cart has more mass.

1. One example is a cup on a table. The cup exerts a force down on the table due to gravity, the table exerts an equal and opposite force on the cup to stop it falling through the table

Marysya12 [62]3 years ago
3 0

1. For every action there is an equal and opposite reaction.

 For Newton's first law, common examples might include straining against the seat belt in a car after a hard brake, flying over the handlebars on a bike after hitting a curb or rock, and the blood rushing from your head to your feet when riding in a descending elevator which suddenly stops.

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2. Force = mass x acceleration

  For Newton's Second Law, common examples might include stepping on the gas to increase the force used to move a car forward, and using more force to throw a fast pitch compared to a slow pitch.

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3. An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted on by another force.

  For Newton's Third Law, common examples might include the propulsion of a fish through water or a bird through the air, a tug-of-war game, and the launch of a space shuttle into space using rockets.

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All _______ reproduce sexually through the use of flowers in a process that involves pollination.
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The answer would be : a. angiosperms.

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Photon
5 0
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Summarize the nitrogen cycle and it’s importance of proteins and DNA
iren2701 [21]

Answer:

Nitrogen cycle works through various stages like, nitrogen fixation, nitrification, assimilation, ammonification, denitrification etc. It is a building block for protein and DNA

Explanation:

Nitrogen is an element abundantly found in the atmosphere, also its building block for proteins as well as nucleic acid i.e. DNA formation. In nitrogen cycle , the nitrogen is being prepared from inert nitrogen.  The nitrogen cycle has several processes like nitrogen fixation, in this the inert nitrogen is being converted to organic nitrogen with the help of certain micro-organism.

Nitrification, plants cannot absorb directly nitrogen so bacteria help the plants to convert the nitrogen into ammonia form in this stage. Assimilation, another stage in which plants starts absorbing various forms of nitrogen from the soil.i.e. nitrate, nitrite and ammonium. Ammonification, here plants and animals have nitrogen in there body after death various microbes help in decomposition in this stage. Denitrification, in this stage the return back of nitrogen takes place.

4 0
3 years ago
Commotio cordis is heart failure due to a ________.
spin [16.1K]
It is due to agitation of the heart. This is the result of a blow in the area directly over the heart.
3 0
3 years ago
Please help!
Ahat [919]

Answer:

Electrons Can Donate - 0

Electrons Can Receive- 2

Valence  - 2

Explanation:

The electronic configuration of oxygen is 1s^2s^22p^4. Thus in the p-orbital there is deficiency of two electrons. Hence, it can receive/share electron but it cannot donate electrons. This makes oxygen as a good electron acceptor. Since there is a deficiency of two electrons in the outermost shell of oxygen, the valence of oxygen in thus -2

6 0
3 years ago
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