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Viktor [21]
4 years ago
6

When water freezes, the density decreases and the bonds between molecules become stronger. Do you expect the speed of sound to b

e greater in liquid water or in water ice?
Physics
1 answer:
Simora [160]4 years ago
4 0

Answer:

The speed of sound is greater in water ice

Explanation:

This is because water ice is in its solid form and sound travels faster in solids. This is due to its molecules being tightly packed together than in a liquid. The tightly packed molecules help sound collide quickly through it whereas in liquids the molecules aren’t tightly packed compared to a solid and the sound waves takes more time colliding through it.

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suppose that you’re running a boy away from your dog who sits and watches you leave if you use the bicycle as a reference frame
solong [7]

Answer:

If you use the bicycle as a reference frame, your dog will appear to be moving backwards farther from you/your bicycle. Although the dog is sitting on one place, your bicycle is moving away from the dog

Explanation:

6 0
4 years ago
What aspect of bouncing balls relates to matter
Lynna [10]

Answer: An aspect of the event of various types of balls bouncing off the same floor, being matter is that all the balls consist of matter. They all occupy space and have a form of energy when moved by a force, such as a person. And for energy, like I just said, when they bounce they create energy as they bounce up and down, so if the ball were to hit some other object, it would have an impact on the still object.

The combination of the material properties of a ball (surface textures, actual materials, amount of air, hardness/ softness, and so on) affects the height of its bounce.

Hope this helps.......... Stay safe and have a Merry Christmas!!!!!!!!!! :D

Explanation:

8 0
3 years ago
If a magnet is put inside one coil of wire a voltage is produced. What will happen if the magnet is put inside two coils of wire
atroni [7]
The choices can be found elsewhere and as follows:

A)There will not be a change. 
<span>B)The voltage will decrease by a factor of two. </span>
<span>C)The voltage will increase by a factor of two. </span>
<span>D)The two coils of wire will cancel out the magnetic field. </span>
<span>E)The voltage will be zero.
</span>
I believe the answer is option C. If the magnet is put inside two coils of wire, then the  voltage will increase by a factor of two. Hope this answers the question.
8 0
4 years ago
(c)
lys-0071 [83]
The answer is c. Twelve wants pass an obsessive frequency of the internet
7 0
4 years ago
As a positively charged object moves toward a negatively charged object, their potential energy increases. As a positively charg
Zielflug [23.3K]

Answer:

As a positively charged object moves toward another positively charged object, their potential energy increases. True

As a negatively charged object moves toward another negatively charged object, their potential energy increases True

Explanation:

When two like charges move towards each other, there is increase in potential energy because the motion is in opposition to the direction if the field. Hence when two negative or two positive charges move towards each other, there is an increase in potential energy.

However, potential energy is inversely related to the distance of separation of the charges.

4 0
3 years ago
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