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avanturin [10]
3 years ago
12

When plate tectonics cause cracks to form, _____________.

Physics
2 answers:
egoroff_w [7]3 years ago
7 0
I think its probably 
B. Volcanoes can occur.
mr Goodwill [35]3 years ago
5 0

Answer:

The correct answer is B. When plate tectonics cause cracks to form, volcanoes can occur.

Explanation:

A volcano is basically an opening or break in the surface of a planet or in the earth's crust, caused by the cracks made by the movements of plate tectonics; There are some geographical areas where volcanoes really dominate the landscape, rising several meters above the surface.

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68% So 68/100 of freshwater is found in ice
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morpeh [17]

bentar mo numpang cerita nih

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ok lanjut ya dek ke cerita nya :)

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6 0
2 years ago
Why current remains same in series combination of resistors in all resistors and p.d. remains different?
IgorC [24]
Current at all points of a series circuit must be the same, because there's no place in the circuit where electrons are being manufactured, and no place where they're leaking out and falling on the floor. The nimber of electrons that leaves the loop is the same number that entered it. I'm not sure what is nmeant by "p.d. remains different" .
4 0
3 years ago
A rollercoaster car has 2500 J of potential energy and 160 J of
lara31 [8.8K]

Answer:

E_{k2}=2660 [J] kinetic energy.

Explanation:

The energy in the initial state i.e. when the rollercoaster is at the top is equal to the energy in the final state i.e. when it is at the bottom of the hill.

These states can be represented by means of the second equation.

E_{k1}+E_{p1}=E_{k2}\\160 + 2500 = E_{k2}\\E_{k2}=2660 [J]

Since the rollercoaster is located in the bottom of the hill where the potential energy level is zero, therefore there is only kinetic energy in the second state.

8 0
3 years ago
Can someone help with number 4 please
kondaur [170]
The way I look at these things is like this:

-- The runner covered 12 meters in 4 seconds.
Average speed = 3 meters per second.

-- Speed at the beginning = zero.
In order to make the average 3, Speed at the end = 6 meters per second.

-- Speed increased from zero to 6 meters per second in 4 seconds.
It must have increased 1.5 meters per second each second.

That's choice-#2.
4 0
3 years ago
Read 2 more answers
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