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Zarrin [17]
3 years ago
10

Which of the following best describes Earth's crust, according to the theory of plate tectonics?

Physics
1 answer:
FrozenT [24]3 years ago
8 0

Answer:

the Earth's crust is broken into about 12 plates that float on hotter, softer rocks in the underlying mantle

Explanation:

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In a certain oscillating LC circuit, the total energy is converted from electrical energy in the capacitor to magnetic energy in
aleksandrvk [35]

Answer:

A = 5.6μs

B = 178.57kHz

C = 2.8μs

Explanation:

A. It takes ¼ of the period of the circuit before the total energy is converted from electrical energy in the capacitor to magnetic energy in the inductor.

t = T/4

T = 4*t

T = 4 * 1.4 = 5.6μs

B. f = 1/T

Frequency is the inverse of period

f = 1 / 5.6*10⁻⁶

f = 178571.4286Hz

f = 178.57kHz

C. time taken for maximum energy to occur is T/2

t = 5.6 / 2 = 2.8μs

5 0
3 years ago
Question 2 (5 points)
Harlamova29_29 [7]

Answer:

Fossil fuels store energy from the sun as

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A toy car is placed at 0 on a number line. It moves 9 cm to the left, then 4 cm to the right, and then 6 cm to the lef
Trava [24]

Answer:

19 cm

Explanation:

The total distance is 9+4+6 = 19 cm

However, the DISPLACEMENT is -9+4-6 = -11 cm.

4 0
3 years ago
What do you think will happen to the potential energy of the ball if the mass of the ball remains the same and placed in a highe
lapo4ka [179]

Answer:

Potential energy of the ball would increase

Explanation:

The formula for potential energy of an object is:

Potential Energy (object) = mass x gravity x height

In your question, the value for height is increased when the object (ball) is placed in a higher position. This creates a net positive change in the right-hand side of the formula and since the value of mass and gravity doesn't change because gravity is a constant (meaning it's always 9.8N/kg) and the mass is said to be kept the same, the ball's potential energy would increase.

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3 years ago
I need to know this right away please help
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Because when there is a car crash you might fall or shall I say fly out the window so that there to hold you back
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