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stiv31 [10]
3 years ago
7

Compare waves on a pond and electromagnetic waves. 1. A wave on a pond is a mechanical wave which doesn’t require a medium to tr

avel. 2. A wave on a pond is an electromagnetic wave which doesn’t require a medium to travel. 3. A wave on a pond is an electromagnetic wave which requires a medium to travel 4. A wave on a pond is a mechanical wave which requires a medium to travel.
Physics
1 answer:
s2008m [1.1K]3 years ago
8 0

Answer:

The correct answer is the number 4. A wave on a pond is a mechanical wave which requires a medium to travel.

Explanation:

Mechanical waves are those that need a material medium to propagate. The waves of the sea and the waves that we produce on a guitar string, the sound, are examples of mechanical waves. Electromagnetic waves are energetic pulses capable of propagating in a vacuum. This way, a wave on a pond is a mechanical wave which requires a medium to travel.

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Crazy boy [7]

Answer:

HEAT GENERATED FROM THE INTERIOR OF THE  EARTH IS CALLED GEOTHERMAL ENERGY.

Explanation:

THE TEMPERATURE IN THE INTERIOR OF THE EARTH RISES STEADILY AS WE GO DEEPER.SOMETIMES THIS HEAT ENERGY MAY SURFACE ITSELF IN THE FORM OF HOT SPRINGS ..THIS HEAT ENERGY CAN BE USED TO GENERATE POWER.

5 0
3 years ago
A cart travels down a ramp at an average speed of 5.00 centimeters/second. What is the speed of the cart in
Lostsunrise [7]
<span>A cart travels down a ramp at an average speed of 5.00 centimeters/second. What is the speed of the cart in miles/hour?  </span> To solve this problem we have set the conversion values to determine the product during the conversion process. <span><span>
1.   </span>1 centimeter = 0.00000621371 mile</span> <span><span>
2.   </span><span> 1 hour = 60 minutes</span></span> <span><span>3.   </span><span> 1 minute = 60 seconds</span></span>
Thus, we shall have
<span><span>1.   </span>5 cm x 0.00000621371 mile/1cm = 0.000031069 mi</span>
<span><span>2.   </span>0.000031069 seconds x 1 hr / 3600 = 0.111846815 miles / hr</span>  



8 0
4 years ago
Read 2 more answers
All planetary orbits are:<br><br> Spherical?<br> Circular?<br> Egg-shaped?<br> Elliptical?
nikdorinn [45]

Answer:

The planets are in an elliptical orbit.

Explanation:

Despite the planets looking as if they are in a circular orbit, the orbits have a slight curvature to them and in turn are elliptical.

5 0
3 years ago
How does slash and burn farming affect the environment
Nadusha1986 [10]
Slash and burn farming is done by burning trees. When you burn trees, you are causing deforestation. It also is not healthy for humans 
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3 years ago
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Which radioisotope is used in dating geological formations?
ziro4ka [17]
<h2>Answer: U-238</h2>

Explanation:

Let's begin by explaining that for radioactive geological dating (also called radioisotope dating) in which radioactive impurities were selectively incorporated when the fossil materials were formed, it is very useful to compare it with a naturally occurring radioisotope having a known half-life.

Now, taking into account that the <u>fossils are millions and millions of years old, radioisotopes are needed that exceed this measure. </u>

To understand it better:

The longer the half-life of a radioisotope, the greater its utility for estimating fossil ages or geological formations.

In this sense, uranium-238 (U238) has a half-life of 4,470 million years, therefore, it is among the most commonly used radioisotopes for fossil and geological dating.

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3 years ago
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