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denpristay [2]
2 years ago
8

What is the thickness of the Lithosphere

Physics
2 answers:
Salsk061 [2.6K]2 years ago
7 0

Answer: about 100 km[kilometers] thick

Explanation:

Nuetrik [128]2 years ago
7 0

Answer:

about 100 km thick

Explanation: I searched it up on google <3

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The chemical reaction involved in burning wood is that endothermic or Exothermic?
kari74 [83]
Its Exothermic.......
3 0
2 years ago
Estimate the acceleration you subject yourself to if you walk into a brick wall at normal walking speed. (Make a reasonable esti
xenn [34]

Answer:

From certain assumptions that the walking speed is 2 m/s, and the stop time is 0.1 s the acceleration would be -20 m/s

Explanation:

Using the average acceleration formula:

a=\frac{\Delta v}{\Delta t} where \Delta v and \Delta t are the changes in the speed and time respectively.

We have by assuming that the walking speed is 2 m/s and the stop time is 0.1s which is equal to the change in time during the stopping.

\Delta v=v_f-v_i=0-2 m/s=-2 m/s, where v_i,v_f are the initial speed and final speed respectively, and \Delta t=0.1 s

Plugging the previous in the average acceleration formula we get

a=\frac{-2}{0.1}=-20\, m/s where the minus sign indicates an acceleration in the opposite direction of the motion (or in other word opposite to the speed's direction).

4 0
3 years ago
A specific amount of energy is emitted when excited electrons in an atom in a sample of an element return to the ground state. T
Flauer [41]

Answer:

C. identity of the element

The specific amount of energy emitted when electrons jump from excited states to the ground state refers to emission spectrum. The energy is emitted in the form of photons, and the photons have very specific wavelengths (energy) that correspond to the energy gaps between the excited states and the ground state. The specific wavelengths of light emitted are referred to as the "emission spectrum," and each element produces a different emission spectrum. Thus, this emitted energy can be used to identify the element from which your sample was taken.

Explanation:

6 0
11 months ago
1150 g - 0.652 kg = ______________g?
beks73 [17]
Answer is 498 grams
6 0
3 years ago
Read 2 more answers
What property of an electromagnetic wave changes when the wave is encoded with analog information?
Licemer1 [7]

Answer:

Amplitude and Frequency

Explanation:

Analog signals are composed of continuous waves that can have any values for frequency and amplitude. These waves are smooth and curved.

Radio transmissions are a combination of two kinds of waves: audio frequency waves that represent the sounds being transmitted and radio frequency waves that "carry" the audio information. All waves have a wavelength, an amplitude and a frequency as shown in the figure. These properties of the wave allow it to be modified to carry sound information.

The two most common types of modulation used in radio are amplitude modulation (AM) and frequency modulation (FM). Frequency modulation minimizes noise and provides greater fidelity than amplitude modulation, which is the older method of broadcasting . Both AM and FM are analog transmission systems, that is, they process sounds into continuously varying patterns of electrical signals which resemble sound waves.

7 0
2 years ago
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