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Reika [66]
4 years ago
14

Why are the oldest parts of the ocean floor no older than about 200 million years

Physics
1 answer:
ivann1987 [24]4 years ago
7 0
The reason is because the molecules didnt come togeather around that time 

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A diver rises quickly to the surface from a 5.0 m depth. If she did not exhale the gas from her lunds before rising, by what fac
Inessa [10]

Answer:

1.5 times

Explanation:

h = depth of the diver initially = 5 m

\rho = density of seawater = 1030 kg m⁻³

P_{i} = Initial pressure at the depth

P_{f} = final pressure after rising = 101325 Pa

Initial pressure at the depth is given as

P_{i} = P_{f} + \rho gh\\P_{i} = 101325 + (1030) (9.8) (5)\\P_{i} = 151795 Pa

V_{i} = Initial volume at the depth

V_{f} = Final volume after rising

Since the temperature remains constant, we have

P_{f} V_{f} = P_{i} V_{i}\\(101325) V_{f} = (151795) V_{i}\\V_{f} = 1.5 V_{i}

6 0
3 years ago
calculate the displacement of a mouse walking along a ruler, if it begins at the location x=5cm, and then walks yo x=12cm
Ivan
The displacement will be 7 cm
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borishaifa [10]

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As such,The tension is equal to the applied force.The tension is trasmitted to the opposite side and of the rope delivering the applied force.

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3 0
3 years ago
Where do light bulbs get their energy from?(1 point)
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<u>for instance, steel has a higher thermal conductivity than plastic. Hence, the steel plate gives away heat to the ice block faster than a plastic block does. As a result, ice melts faster on a steel plate than on a plastic one. Faster an object draws heat, the colder it feels.</u>

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a force is applied to a block causing it to accelerate along a horizontal, frictionless surfaces. the energy gained by the block
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