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Mekhanik [1.2K]
3 years ago
10

On Friday, September 28, 2018, Palu, Indonesia, on the island of Sulawesi, experienced an earthquake that generated a tsunami. F

ind Palu City, Indonesia in Google Earth. You may need to turn off some of the Places layers you've been working with to see the city more clearly. What geographic features put Palu in terrible danger of tsunami?
Physics
1 answer:
Naily [24]3 years ago
7 0

Answer: Proximity to active volcanoes

Explanation:

When volcanoes erupt, they can generate tsunamis in the following ways:

-Parts of the volcano (some of them may be underwater) could collapse, generating a big displacement of water and resulting in a tsunami.

-The magma chamber could also collapse as it empties, also generating water displacement.

-If the volcanoes are near to the shore, debris resulting from the eruption could hit the water at fast speeds, producing big waves and eventually a tsunami.

In this case, the proximity of Palu city to active volcanoes, especially ones that are so close to the shore, increases the risk of a tsunami.

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In a rigid container, as the temperature of a gas decreases, the pressure of the gas will decrease. t f
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This is one of the central gas laws called the Gay-Lussac law that states for a given gas at a constant volume, the pressure of the gas is directly proportional to its temperature. We also know that as temperature reduces, so too does molecular interaction. Increased temperature results in increased pressure, and decreased temperature therefore results in decreased pressure.
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3 years ago
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A CFL bulb has an efficiency of 8.9% and a power of 22 W. How much light energy does the lightbulb produce in 1 second
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The power that the light is able to utilize out of the supply is only 0.089 of the given.
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The energy required in this item is the product of the power utilized and the time. That is,
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Answer:

2.6 m

Explanation:

The work done by the bird is given by

W=Fd

where

F is the force exerted

d is the distance covered

In this problem, we know:

W=8.8\cdot 10^{-4} J is the work

F=3.4\cdot 10^{-4} N is the force

Solving the equation for d, we find the distance covered by the bird:

d=\frac{W}{F}=\frac{8.8\cdot 10^{-4}}{3.4\cdot 10^{-4}}=2.6 m

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