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3 years ago

What controls whether a lava flow is aa or pahoehoe

Physics

1 answer:

nevsk [136]3 years ago

7 0

Explanation:

Basaltic lava

Basaltic lava generally takes two distinct forms known by the Hawaiian terms pahoehoe and aa. Pahoehoe has a smooth wavy surface that resembles twisted rope. It advances by extruding molten toes of lava beneath a thin, flexible crust. As it travels pahoehoe lava often changes to blocky flows called aa.

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The velocity of an object includes its speed and

a_sh-v [17]

Velocity is a vector meaning it includes an objects speed and direction.

3 0

3 years ago

A car’s gas tank contains 58.7 kg of gasoline, which takes up 0.0814 m^3 of volume. what is the density of the gasoline?

11111nata11111 [884]

Answer: 721.13

Explanation:

6 0

3 years ago

a body has weight 20N how much force is required to move it vertically upwards with an acceleration of 2m/s

kramer

<h2>Given :-</h2>

Weight = 20 N

Acceleration = 2 m/s

Force applied=?

<h2>Solution :-</h2>

As we know that,

F is the Force applied
M is the Mass
A is the Acceleration

<u>According</u><u> </u><u>to</u><u> </u><u>the question</u><u>, </u>

F = 20 × 2

F = 40 N

<h3>Hence :-</h3>

Force applied is 40 N

First equation of motion
v = u + at

Second equation of motion
s = ut + ½at²

Third Equation of motion
v² - u² = 2as

$\begin{gathered} \\ \end{gathered}$

3 0

3 years ago

A forest ranger might be ranked as being high in what type of intelligence?

Drupady [299]

<h2>Answer:</h2>

<u>A forest ranger might be ranked as being high in </u><u>Naturalistic</u><u> intelligence.</u>

<h2>Explanation:</h2>

Naturalistic intelligence is the type of intelligence that relates the activities of people that how sensitive an individual is to nature and the world. Zookeepers, biologists, gardeners, and veterinarians are among those people who have a higher capability of having high naturalist intelligence. Similarly a ranger who is fighting in forests must also be kept in the same category and he might be ranked as being high in the field of Naturalistic Intelligence.

7 0

3 years ago

A plane electromagnetic wave travels northward. At one instant, its electric field has a magnitude of 3.7 V/m and points eastwar

UNO [17]

Answer:

Magnetic field, B = $1.24\times 10^{-8}\ T$ (eastwards)

Explanation:

Given that,

The magnitude of electric field, E = 3.7 V/m

A plane electromagnetic wave travels northward. We need to find the magnitude and direction of the magnetic field at this instant.

The relation between the magnetic field and the electric field of the plane electromagnetic wave is given by :

$B=\dfrac{E}{c}$

c is the speed of light

$B=\dfrac{3.7}{3\times10^8}\\\\B=1.24\times 10^{-8}\ T$

So, the magnetic field is $1.24\times 10^{-8}\ T$ . The direction of magnetic field is perpendicular to the electric field and the direction of wave propagation. Hence, the direction of magnetic field is eastward.

3 0

3 years ago