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PIT_PIT [208]
3 years ago
12

Study the images of Earth’s crust and mantle in two different areas.

Physics
1 answer:
Ket [755]3 years ago
3 0

Answer:

Wht do u nit know?

Explanation:

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You indicate that a symbol
Goryan [66]

Answer:

B. over the symbol.

Explanation:

vectors are represented with a symbol carrying an arrow head with also indicates direction

8 0
3 years ago
Consider the following possibilities and select the correct choice.
dezoksy [38]

Answer:

Tx not but mybe

Explanation:

for that reason its just trying to help

4 0
3 years ago
Use the following photoelectric graph to answer the following question:
klio [65]
The photoelectric effect is obtained when you shine a light on a material, resulting in the emission of electrons.

The kinetic energy of the electrons depends on the frequency of the light:
K = h(f - f₀)

where:
K = kinetic energy 
h = Planck constant
f = light frequency
f₀ = threshold frequency

Rearranging the formula in the form y = m·x + b, we get:
K = hf - hf₀
where:
K = dependent variable
f = <span>indipendent variable
h = slope
hf</span>₀ = y-intercept

Every material has its own threshold frequency, therefore, what stays constant for all the materials is h = Planck constant (see picture attached).

Hence, the correct answer is C) the slope.

5 0
4 years ago
How do charges act on insulators and conductors?
umka2103 [35]

Answer:

An insulator holds charge within its atomic structure. Objects with like charges repel each other, while those with unlike charges attract each other. A conducting object is said to be grounded if it is connected to the Earth through a conductor.

Explanation:

Source:https://courses.lumenlearning.com/physics/chapter/18-2-conductors-and-insulators/

5 0
3 years ago
What is resistivity?​
Rom4ik [11]

Answer:

Resistivity, electrical resistance of a conductor of unit cross-sectional area and unit length.

Explanation:

A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents. High resistivity designates poor conductors.

3 0
3 years ago
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