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Lostsunrise [7]
3 years ago
8

What happens when an ionic compound is melted?

Physics
1 answer:
Dahasolnce [82]3 years ago
7 0
It conducts electricity. This is because the electrons are able to move around more for it has gained energy, after being heated.
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Answer:

The correct answer is :

A . Giant star

B . proto star

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Explanation:

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During energy conversions, some energy is always lost as _____. light , heat , electricity or chemical energy?
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A dog is chasing a cat towards a tree. The cat has a 10-yard lead and runs at 6 yards per second. The dog runs at a speed of 8 y
oksano4ka [1.4K]

Answer : Cat will reach tree first.

Explanation :

It is given that,

Total distance between dog and tree is 30 yards. The cat has 10 yards lead. So, the distance between cat and tree is 20 yards.

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speed of cat is, S_c=\dfrac{distance\ covered\ by\ cat}{time\ taken}

6\ Yards/sec=\dfrac{20\ Yards}{t_c}

t_c=3.33\ sec

Now, speed of dog is, S_d=\dfrac{distance\ covered\ by\ dog}{time\ taken}

8\ Yards/sec=\dfrac{30\ yards}{t_d \ sec}

t_d=3.75\ sec

It is clear that, cat is taking less time as compared with dog. So, the cat will reach tree first.

3 0
3 years ago
You do a certain amount of work on an object initially at rest, and all the work goes into increasing the object’s speed. If you
EleoNora [17]

Answer:

\sqrt{2}v

Explanation:

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Or, re-arranging for v,

v=\sqrt{\frac{2W}{m}}

where

v is the final speed of the object

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m is the object's mass

If the work done on the object is doubled, we have W' = 2W. Substituting into the previous formula, we can find the new final speed of the object:

v'=\sqrt{\frac{2W'}{m}}=\sqrt{\frac{2(2W)}{m}}=\sqrt{2}\sqrt{\frac{2W}{m}}=\sqrt{2}v

So, the new speed of the object is \sqrt{2}v.

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A new company is making security cameras. These security cameras will be different than other security cameras because instead o
babunello [35]

Answer:

b

Explanation:

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