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3 years ago

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Today’s scientist must search through scientific journals before performing an experiment with making methodical observations wh

ere with the stick take place in a diagram of specific methods

1 answer:

Natalija [7]3 years ago

4 0

Answer:

in the lab

Explanation:

cause that is where scientist spend their time doing research ...

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Setting goals that match your lifestyle helps improve chances that they will be reached.

Tasya [4]

Answer:

TRUE!!!!!!

Explanation:

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3 years ago

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A lead ball is dropped into a lake from a diving board 5.0 m above the water. After entering the water, it sinks to the bottom w

nirvana33 [79]

Answer:

$|D_{depth} |=19.697m$

Explanation:

To find Depth D of lake we must need to find the time taken to hit the water.So we use equation of simple motion as:

Δx=vit+(1/2)at²

$x_{f}-x_{i}=v_{i}t+(1/2)at^{2}\\ -5.0m=(o)t+(1/2)(-9.8m/s^{2} )t^{2}\\ -4.9t^{2}=-5.0\\ t^{2}=5/4.9\\t=\sqrt{1.02} \\t=1.01s$

As we have find the time taken now we need to find the final velocity vf from below equation as

$v_{f}=v_{i}+at\\v_{f}=0+(-9.8m/s^{2} )(1.01s) \\v_{f}=-9.898m/s$

So the depth of lake is given by:

first we need to find total time as

t=3.0-1.01 =1.99 s

$|D_{depth} |=|vt|\\|D_{depth} |=|(-9.898m/s)(1.99s)|\\|D_{depth} |=19.697m$

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3 years ago

Hold the paper up to a mirror so

Ne4ueva [31]

Answer:

The image of everything in front of the mirror is reflected backward, retracing the path it traveled to get there. Nothing is switching left to right or up-down. Instead, it's being inverted front to back. ... That reflection represents the photons of light, bouncing back in the same direction from which they came

Explanation:

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2 years ago

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The diagram shows Ned’s movement as he left his house and traveled to different places throughout the day. Which reference point

aleksley [76]

The pet store would be the reference point because it is where he started and it will not move. Hope this helped.

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3 years ago

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C, N, Ne, Ar which contains a metal, nonmetal, noble gas , metalloid

postnew [5]

Answer:

c,carbono nonmetal

n, nitrogen nonmetal

ne, neón noble gas

ar,argon noble gas

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3 years ago