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kati45 [8]
3 years ago
14

What would happen to a moving object if no unbalanced force acts upon it? Help please?

Physics
1 answer:
Kisachek [45]3 years ago
7 0

Answer:

B

Explanation:

if no force acts upon it it will just continue moving

hope this helps!! have a wonderfull day!

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Explanation:

It is given that,

Speed, v₁ = 7.7 m/s

We need to find the velocity after it has risen 1 meter above the lowest point. Let it is given by v₂. Using the conservation of energy as :

\dfrac{1}{2}mv_1^2=\dfrac{1}{2}mv_2^2+mgh

v_2^2=v_1^2-2gh

v_2^2=(7.7)^2-2\times 10\times 1

v_2=6.26\ m/s

So, the velocity after it has risen 1 meter above the lowest point is 6.26 m/s. Hence, this is the required solution.

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2 years ago
Which of the following is NOT a example
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Answer:

B. a piece of paper being torn

Explanation:

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If you cook a raw egg, it would turn into a boiled egg (or a poached egg, however it is being cooked). The reaction is irreversible, so you cannot turn the cooked egg back into a raw egg - it is basically impossible to 'uncook' an already cooked egg.

When you toast a piece of bread, it turns into toast. You can't 'untoast' it back into bread. The chemical changes have already occurred and cannot be undone.

If you tear a piece of paper, it is still paper. You are only ripping it, not changing anything about it. You could simply tape the torn bit back to the original bit, or glue it - either way, it is still paper and nothing has occurred to drastically change the physical state of it.

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Dr. Matthews has submitted a proposal to the institutional review board (IRB) of a university. At this university, she intends t
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Answer:

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Explanation:

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