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vampirchik [111]
3 years ago
15

PLEASE HELP!!!! WILL GIVE BRAINLIEST!!! WORTH 20 PTS!!!!!

Physics
1 answer:
Leona [35]3 years ago
6 0

Answer:

Explanation:

These tectonic plates rest upon the convecting mantle, which causes them to move. The movements of these plates can account for noticeable geologic events such as earthquakes, volcanic eruptions, and more subtle yet sublime events, like the building of mountains.

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Which sentences describe disavantages of burning fossil fuels instead of using hydrogen fuel cells
Aleksandr-060686 [28]

Answer:

Coal and oil release sulfur dioxide gas when they burn, which causes breathing problems for living creatures and contributes to acid rain. Fossil fuels release carbon dioxide when they burn, which adds to the greenhouse effect and increases global warming .

Explanation:

6 0
3 years ago
1. Which of the following equations can be used to directly calculate an object s momentum, p?
Taya2010 [7]

Answer:

p = mv

Explanation:

The momentum of an object is given by the equation:

p=mv

where

m is the mass of the object

v is the velocity

Since velocity is a vector, it follows that momentum is a vector as well, therefore it has a magnitude and a direction (the same as the velocity).

The SI unit of the momentum is kg \cdot m\cdot  s^{-1}

An important law related to the momentum is the law of conservation of momentum, which states that for an isolated system (= zero net external force on it), the total momentum of the system is conserved.

3 0
3 years ago
1. (I) If the magnetic field in a traveling EM wave has a peak magnitude of 17.5 nT at a given point, what is the peak magnitude
Elan Coil [88]

Answer:

The electric field is E  =  5.25 V/m

Explanation:

From the question we are told that

    The peak magnitude of the magnetic field is  B  =  17.5 nT  =  17.5 *10^{-9}\ T

Generally the peak magnitude of the electric field is mathematically represented as

         E  =  c  *  B

Where c is the speed of light with value c  =  3.0 *10^{8} \ m/s

So

       E  =  3.0 *10^{8}  *  17.5 *10^{-9}

       E  =  5.25 V/m

8 0
4 years ago
What is the primary source of energy for earths weather systems
PIT_PIT [208]
I believe the sun is the primary source of energy for Earth's weather system. The sun is the primary energy source for Earth's climate system which is the first set of essential principles of climate sciences. Additionally, it is the primary source that drives all weather events, including precipitation, hurricane and tornadoes. The sun drives the hydrologic cycle, and makes life on Earth possible. 
3 0
3 years ago
Geothermal pumps can be used for cooling, but not heating. true or false?
Ede4ka [16]

Answer:

False

Explanation:

Geothermal pumps can be used for cooling and heating.

4 0
3 years ago
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