A car is stopped.which requires more force,accelerating a car to 30 mph,or to 60 mph?explain.

Answers

Answer 1

Answer:

Newton's Second Law of Motion states that the definition of force is mass times acceleration. The force will be stronger if the identical car is propelled to 60 mph as opposed to 30 mph.

What is Newton's Second Law of Motion?

Newton's First Law of Motion states that a body stays in its condition of rest or uniform motion in a straight line unless it is acted upon by some external force that is net unbalanced to cause the state to change.

The Second Law of Motion and Momentum of Newton, And the acceleration would be smaller the more mass the body had. In other words, if two objects, one heavier than the other, are pushed with the same force, the heavier object will experience less acceleration.

Therefore, the force will be stronger if the identical car is propelled to 60 mph as opposed to 30 mph.

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Answer 2

Answer: If you accelerate a car to 30 mph it does not take that much force to stop it compared to 60 mph. The more faster you get the more force you need to stop it. The 60 mph car needs more force to stop.

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Why is air called a solution ? Why does salt seem to disappear in water?

Why would some solute remain undissolved in a solution?

What is the difference between a dilute solution and a concentrated solution?

What will happen if you heat a saturated solution?

Answers

I think air is a solution because it is made up of different types of gases including 21 percent oxygen, 78 percent nitrogen, and one percent trace gases.

Salt dissolves in water

The solution has already reached its solubility and cannot dissolve any more solute

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If you heat a solution normally the solubility increases meaning more solute can be dissolved in the solvent

i hope i was able to help :)

The frog’s tongue is anchored in the very front. Why is it anchored this way?

Answers

Frogs, unlike humans, have tongues that are anchored at the front of their mouths because when they catch an insect it throws its tongue out of its mouth and and wraps it around the insect and then brings it back to their mouth for consumption.

What is the mutation caused by the addition of a nucleotide to an already existing gene sequence called?

Answers

Insertion is a type of mutation which adds nucleotide to an already existing gene sequence. It can lead to genetic disorders due to the change of gene sequence. An example of this genetic disorder is the trisomy 21 or commonly known as Down syndrome. Instead of having 46 cells, those people having this disorder have 47 cells because there is an extra copy of there gene 21.

Answer:

it is C. Insertion

Explanation:

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Which statement is correct about chloroplast?Group of answer choices

It is present in animal cells but not in plant cells.

It is larger in animal cells than in plant cells.

It is larger in plant cells than in animal cells.

It is present in plant cells but not in animal cells.

Answers

It is present in plant cells but not in animal cells

Answer:

It is present in plant cells but not in animal cells.

Explanation:

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Answers

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Answers

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