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3 years ago

Is there a relationship between the direction of movement and pattern of earthquakes? Volcanoes? Describe and Explain.

Physics

2 answers:

tatiyna3 years ago

6 0

An earthquake happens when a sudden shaking on a fault.
A volcano pushes with force manga out from the earth's core

Helen [10]3 years ago

5 0

Earthquakes and volcnoes tend to lie on "rings of fire" which are boundaries between continental tectonic plates. Presumably, if two plates (trillions of tons) are moving into each other along one line of activity, they'll be moving away from each other (probably small amounts, but tons) somewhere else.Factors which could cause the things to move could include the stuff that the plates actually lie on top of - if it's liquid then they can slide over it. Also, there's the earth's rotation to maybe consider. As the earth rotates, could the plates sort of "slip along" with the rotation. If a hole develops in the plate, then up pops a lot of molten iron, and possibly "voila" a volcanoe.

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At a certain elevation, the pilot of a balloon has a mass of 120 lb and a weight of 119 lbf. What is the local acceleration of g

Strike441 [17]

Answer:

31.905 ft/s²

Explanation:

Given that

Mass of the pilot, m = 120 lb

Weight of the pilot, w = 119 lbf

Acceleration due to gravity, g = 32.05 ft/s²

Local acceleration of gravity of found by using the relation

Weight in lbf = Mass in lb * (local acceleration/32.174 lbft/s²)

119 = 120 * a/32. 174

119 * 32.174 = 120a

a = 3828.706 / 120

a = 31.905 ft/s²

Therefore, the local acceleration due to gravity at that elevation is 31.905 ft/s²

3 0

2 years ago

Two long, straight wires are separated by a distance of 9.15 cm . One wire carries a current of 2.79 A , the other carries a cur

Dafna1 [17]

Answer:

The force is the same

Explanation:

The force per meter exerted between two wires carrying a current is given by the formula

$\frac{F}{L}=\frac{\mu_0 I_1 I_2}{2\pi r}$

where

$\mu_0$ is the vacuum permeability

$I_1$ is the current in the 1st wire

$I_2$ is the current in the 2nd wire

r is the separation between the wires

In this problem

$I_1=2.79 A\\I_2=4.36 A\\r = 9.15 cm = 0.0915 m$

Substituting, we find the force per unit length on the two wires:

$\frac{F}{L}=\frac{(4\pi \cdot 10^{-7})(2.79)(4.36)}{2\pi (0.0915)}=2.66\cdot 10^{-5}N$

However, the formula is the same for the two wires: this means that the force per meter exerted on the two wires is the same.

The same conclusion comes out from Newton's third law of motion, which states that when an object A exerts a force on an object B, then object B exerts an equal and opposite force on object A (action-reaction). If we apply the law to this situation, we see that the force exerted by wire 1 on wire 2 is the same as the force exerted by wire 2 on wire 1 (however the direction is opposite).

3 0

3 years ago

A 700 kg car makes a turn going at 30 m/s with radius of

Gnoma [55]

Answer:5250 N

Explanation: ig:iihoop.vince

5 0

2 years ago

Which best describes the energy of a sound wave as it travels through a medium

Solnce55 [7]

C. It depends on the medium

3 0

3 years ago

In the picture of the atom above, what subatomic particle does the letter A represent?

ra1l [238]

Answer:

Electron

Explanation:

In the picture, the letter A is pointing to an electron.

4 0

2 years ago