Why do plates move away from the mid - ocean ridges?

Answers

Answer 1

Answer: Plates move away near the pacific ocean because the continents are shifting causing plates to bump into eachotger causing earthquakes

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HELP ASAP PLEASE PHYSICS 1.How much charge is carried across a 5.5 A current over a time of 8.3 seconds? (1 point)
45.65 C
52.79 C
78.11 C
20.05 C

2.A current of 1.90 A flows through a wire. How many electrons pass through that wire in 1 second? The charge of an electron is 1.602 x 10^-19 C (1 point)
2.32 x 10^19 electrons
2.01 x 10^18 electrons
1.04 x 10^20 electrons
1.19 x 10^19 electrons

3.A battery of voltage 9.0 V produces a current of 17.5 mA across a circuit. What is the resistance of the circuit? (1 point)
433 Ohms
514 Ohms
701 Ohms
384 Ohms

4.A battery is marked as having a voltage of 12.0 V and is connected to a circuit that has a resistance of 5.0 Ohms. If the terminal voltage is 8.75 V, what is the internal resistance of the circuit? (1 point)
1.02 Ohms
1.86 Ohms
2.45 Ohms
1.36 Ohms

5.A 12.0 V battery is attached to a circuit with a resistor of 5.5 Ohms. The internal resistance of the circuit is 1.75 Ohms. What is the terminal voltage of the circuit? (1 point)
9.01 V
12.8 V
7.67 V
10.3 V

6.A resistor has a potential difference of 16.5 V across it. It develops thermal energy at 340 W. What is the current across the resistor? (1 point)
15.5 A
23.9 A
31.1 A
20.6 A

7.A 120 V potential difference goes through a light bulb. The wattage of the bulb is 70 W. What is the resistance of the bulb? (1 point)
206 Ohms
114 Ohms
378 Ohms
256 Ohms

8.What is the equivalent resistance in this circuit? (1 point)

26 Ohms
13 Ohms
32 Ohms
18 Ohms

9.What is the equivalent resistance in this circuit? (1 point)

2 Ohms
5 Ohms
1.25 Ohms
3 Ohms

10.A tightly coiled spring has 70 coils, each coil has a diameter of 2.5 cm. The coil is made of conducting cylindrical wire that has a diameter of 3.0 mm. If an ohmmeter records the resistance across this wire as 2.70 Ohms, what is the resistivity of the wire? (1 point)
0.120
0.036
0.089
0.051

Answers

Answer:

1. 45.65

2. 1.19x10^19

3. 514OHM

4. 2.45 ( NOT 1.86 OR 1.36)

6. 20.06A

7. 206 ohms

8. 13 Ohms

9. 2 ohms

10. 0.051 ( NOT 0.036 OR 0.089)

Explanation:

I've struggled with both problems 4 and 10

Answer: did you get the answers?

Explanation:

How is amplitude related to loudness

Answers

The loudness of a sound is linked to the size of the vibration which produces it. A big vibration makes a louder sound. Scientists use the word 'amplitude' for the size of waves. For waves on water, it is easy to measure the amplitude.

What would happen if a rocket ran out of fuel in the Earth's atmosphere?

Answers

It would do exactly what a rock or a frisbee does when you toss it.

After the engines cut off, it couldn't get any more energy from
anywhere, and after that, as it pushed air aside to get through,
and had air molecules scraping against it, those would slowly
rob kinetic energy from it. Sooner or later it would run out of
kinetic energy, start falling, and it would eventually make either
a big 'SPLOOSH' or else a big 'CRUNCH', depending on exactly
where it returned to Earth's surface.

The rocket would fall back down to the surface of earth because there would be nothing propelling it upwards.

What variables affect the acceleration of an object and in what manner do they affect the acceleration?

Answers

Acceleration, in physics, is the rate of change of velocity of an object. An object's acceleration is the net result of any and all forces acting on the object, as described by Newton's Second Law.

If you help me then you will get your dream car.

Answers

rain forest: most; tundra: least

You just dont lie and I will answer your question

How can resistance be useful and where can they be useful?

Answers

-- Resistance can be useful among the population of a repressive government.
Although it can be dangerous for those who resist, it can also exert pressure
against the regime to alter its repressive practices.

-- Resistance can also be useful in electronic circuits. "Lumped" components with
known numerical values of resistance are used to divide voltage, limit current, and
dissipate controlled amounts of electrical energy.

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Calculate the gravitational potential energy of a 10kg box on the top shelf of a closet, 2m above the floor