3 years ago

Is compound a subatomic particle

1 answer:

5 0

I don't think so... Sub-atomic means smaller than an atom. An electron is smaller than an atom since it makes up an atom. hope this helps :)
( i'm not sure if this is correct)

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A hockey puck is struck so that it slides at a constant speed and strikes the far side of the rink, 58.2 m away. The shooter hea

DENIUS [597]

Answer:

$v = 33.66 m/s$

Explanation:

Let hockey puck is moving at constant speed v

so here we have

$d = vt$

so time taken by the puck to strike the wall is given as

$t = \frac{58.2}{v}$

now time taken by sound to come back at the position of shooter is given as

$t_2 = \frac{58.2}{340}$

$t_2 = 0.17s$

so we know that total time is 1.9 s

$1.9 = t + t_2$

$1.9 = t + 0.17$

$1.9 - 0.17 = t$

$t = 1.73 s$

now we have

$1.73 = \frac{58.2}{v}$

$v = 33.66 m/s$

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3 years ago

Water boils to power a steam engine. Which statement best describes the changes in the water as it boils?

hammer [34]

Option B

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3 years ago

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As you sit in a chair, in what direction (or directions) do you exert an action force?

enyata [817]

As we sit in a chair, Action force will be only in one direction and that direction would be downward only.

In short, Your Answer would be Option A

Hope this helps!

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3 years ago

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In the above lightwave the property labeled a determines which characteristic of visible light

kap26 [50]

The light must be either very dim or else non-existent.
We can't see the light wave or the label.

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3 years ago

A 1.5kw vacuum cleaner is used for half an hour. Calculate its energy usage.

juin [17]

Answer:

its energy usage is 0.05

Explanation:

1.5kw/30=0.05

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2 years ago