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3 years ago

I really need help with this!! Will give brainliest if you help T^T

Physics

1 answer:

slava [35]3 years ago

5 0

Answer:

What inferences can you make about the melting points of the different substances and the motion of their particles, based on the data? (ignore that needed it here so i could see it better.)

Explanation:

Butter has a lower melting point than the cheese and the wax. The motion of the cheese were a little separated while the butter articles have more space in between. The wax had the closest particles.

I dont know if that makes sense?

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Heather and Matt take 34 minutes to walk eastward along a straight road to a store 2.0km away. What is their average velocity in

frez [133]

Their average velocity is 0.98 m/s east.

Explanation:

The average velocity of an object is defined as the ratio between the displacement and the time taken:

$v=\frac{displacement}{time}$

The displacement is a vector connecting the initial point to the final point of motion: so, being displacement a vector, velocity is a vector as well, having the same direction of displacement.

Here, Heather and Matt walk 2.0 km eastward, so their displacement is

d = 2.0 km = 2000 m (east)

While the time they took is

$t=34 min \cdot 60 = 2040 s$

Therefore, their average velocity is

$v=\frac{2000}{2040}=0.98 m/s$

And the direction is the same as the displacement (east).

Learn more about average velocity:

brainly.com/question/5248528

#LearnwithBrainly

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3 years ago

The hardest known natural material is _____. <br> jade<br> quartz<br> diamond<br> talc

kakasveta [241]

Its diamond i am 100% right!

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3 years ago

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sweet-ann [11.9K]

Three things that effect a life system would be
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-water
-energy/food

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3 years ago

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Ordinary ocean waves are created by the interaction of the ____ and ____.

dmitriy555 [2]

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An engineer wishes to design a curved exit ramp for a toll road in such a way that a car will not have to rely on friction to ro

Dafna11 [192]

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