How do geologist locate the epicenter of an earthquake?

Answers

Answer 1

Answer: by taking measurements from 3 seismograms.

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Select the type of volcanoes that frequently erupt violently?A. Cinder cone B. Stratovolcano C. Shield volcano * it’s not B
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how are the direction of an object's acceleration and the direction of the same object's change in velocity related

Answers

The question is a lot like asking "How is your age related to
how long you have lived ?"

Those directions must be the same, because "acceleration"
means "change in velocity".

The best evidence of Earths rotation is provided by

Answers

The direction of a freely swinging pendulum changes during the day. That is also how we were able to prove that the Earth rotates.

Imagine that a tank is filled with water. The height of liquid column is 7 meters and the area is 1.5 square meters (m2). What's the force of gravity acting on the column of water?

Answers

-- The volume of water is (1.5 m² x 7 m) = 10.5 m³

   10.5 m³ = 10,500 liters

   Water mass = (10,500 liters) x (1 kg/liter) = 10,500 kg.

-- "Force of gravity on the water"

= Weight of the water = (10,500 kg) x (9.8 m/s²) = 102,900 newtons

-- Pressure on the bottom of the tank =

   (102,900 newtons) / (1.5 m²)

   = 68,600 nt/m² = 68,600 pascal .

your answer is 102,900 N

i just took the test

Four parallel-plate capacitors are constructed using square plates, and each has a dielectric inserted between the plates.?Rank the capacitance of each capacitor in order from highest to lowest.

A = side length (L/2) ; distance between plates (d) ; dielectric current (k)

B = side length (L) ; distance between plates (d/2) ; dielectric current (4k)

C = side length (2L) ; distance between plates (d) ; dielectric current (2k)

D = side length (L) ; distance between plates (2d) ; dielectric current (2k)

Answers

Final answer:

The capacitance of the four capacitors, ranked from highest to lowest, is B = C (they both have equal capacitance), followed by D, and then A.

Explanation:

The capacitance of a parallel-plate capacitor is given by C = εA/d, where ε is the permittivity of the dielectric material (which is equal to the product of the vacuum permittivity and the relative permittivity or dielectric constant k), A is the area of one of the plates, and d is the separation between the plates.

Applying this formula to the four capacitors and simplifying:

Capacitor A: Cap = k(0.5L)^2/d = 0.25kL^2/d
Capacitor B: Cap = 4k(L)^2/(0.5d) = 8kL^2/d
Capacitor C: Cap = 2k(2L)^2/d = 8kL^2/d
Capacitor D: Cap = 2k(L)^2/(2d) = kL^2/d

When ranked from highest to lowest capacitance, the order will be B = C > D > A.

Learn more about Capacitance here:

brainly.com/question/31871398

#SPJ12

What is an electronegativities?

Answers

- is a measure of the tendency of an atom to attract a bonding pair of electrons.The Pauling scale is the most commonly used. Florine, is the assigned value of 4.0, and range down to cesium and francium which are least electronegative at 0.7 .

Hope this helped bro . COMMENT IF NOT THE RIGHT ANSWER ND ILL FIX IT .

The function of a capacitor in an electric circuit is to?A. measure the amount of current in the circuit.
B. increase circuit power
.C. allow current flow between its plates.
D. store electric charges.

Answers

Well let's see:

A). No. A capacitor doesn't measure anything.

B). No. The power delivered to the circuit is determined by
      the battery or power supply and all the things in
the circuit that dissipate energy. A capacitor doesn't
do any of these things.

C). No. If any current actually flows between its plates,
   the capacitor is shot and can't do its job, and
   must be replaced.

D). Yes. A capacitor stores charges on its plates, and
electrical energy in the field between its plates.

Answer:

D. Stores electric charges

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