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VARVARA [1.3K]
3 years ago
12

Give two reasons why circular water waves decrease in amplitude

Physics
1 answer:
Ronch [10]3 years ago
3 0
1. friction between water molecules
2. the wave spreads out onto a larger and larger area, so per unit area, the energy of the wave goes down
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Answer:

The current moves in the terminal.

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what velocity must a 1340kg car have in order to havw the same momentum as a 2680 kg truck traveling at a velocity of 15m/s to t
kykrilka [37]
Car with a mass of 1210 kg moving at a velocity of 51 m/s.
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Hope i helped
Have a good day :)

 
6 0
3 years ago
Match each term to its definition.
den301095 [7]
Answer: first one is electrochemical
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8 0
3 years ago
Read 2 more answers
What is the difference between weight and mass? Give an example of how they are different.
marusya05 [52]
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8 0
3 years ago
after a large snowstorm you shovel 2000 kilograms of snow off your side walk in 1 hour. you lift the shovel to an average height
solmaris [256]

Lifting a mass to a height, you give it gravitational potential energy of

       (mass) x (gravity) x (height)  joules.

To give it that much energy, that's how much work you do on it.

If 2,000 kg gets lifted to 1.25 meters off the ground, its potential energy is

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If you do it in 1 hour (3,600 seconds), then the average power is

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None of these figures depends on whether the load gets lifted all at once,
or one shovel at a time, or one flake at a time.

But this certainly is NOT all the work you do.  When you get a shovelful
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it doesn't just float there. You typically toss it, away from where it was laying
and over onto a pile in a place where you don't care if there's a pile of snow
there. In order to toss it, you give it some kinetic energy, so that it'll continue
to sail over to the pile when it leaves the shovel.  All of that kinetic energy
must also come from work that you do ... nobody else is going to take it
from you and toss it onto the pile.


8 0
3 years ago
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