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3 years ago

Some volcanic eruptions are quiet and others are violent what causes this difference?

1 answer:

7 0

Volcanoes that produce explosive eruptions tend to have thicker, more viscous magma, and a greater volume of gas. <span>Different types of volcanoes tend to produce different types of eruptions. Shield volcanoes, those with broad, gentle slopes, produce the quietest eruptions. The main difference is the shape of the volcano.
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Hope this helps,

kwrob

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The rainbow of visible colors in the electromagnetic spectrum varies continuously from the longest wavelengths (the reddest colo

Bogdan [553]

Answer:

$4.58\times 10^{14}Hz$ $5.825\times 10^{14}Hz$ $6.31\times 10^{14}Hz$

Explanation:

We know that there is a relation between the speed of light ,frequency and wavelength.This relation can be given as $v=\nu \lambda$ where v is speed of light $\nu$ is frequency of light $\lambda$ is wavelength of light

In first case we have given λ=655 nm

so using formula $v=\nu \lambda$

$3\times 10^8=655\times 10^{-9}\times \nu$

$\nu =4.58\times 10^{14}$ Hz

In second case we have wavelength 515 nm so by using above formula

$3\times 10^8=515\times 10^{-9}\times \nu$

$\nu =5.825\times 10^{14}\ Hz$

In third case we have wavelength 475 nm

so $3\times 10^8=475\times 10^{-9}\times \nu$

$\nu =6.31\times 10^{14}Hz$

3 0

4 years ago

If the starting population of 5 rabbits grows at 200% each year, how many will there be 50 years?

just olya [345]

Answer:

Alot of god dam rabbits

Explanation:

7 0

3 years ago

Read 2 more answers

A ball whose mass is 1.9 kg is suspended from a spring whose stiffness is 8.0 N/m. The ball oscillates up and down with an ampli

MArishka [77]

Answer:

2.05 radians/s

Explanation:

This is a simple harmonic motion. The angular frequency of a loaded spring is given by

$\omega = \sqrt{\dfrac{k}{m}}$

where $k$ is the spring constant and $m$ is the mass on the spring.

Using the known values,

$\omega = \sqrt{\dfrac{8}{1.9}} = 2.05$

4 0

3 years ago

With a force of 5 Newton's Amanda pushes the stacks of books to the right. At the same time Jeremih her little brother pushes th

Fynjy0 [20]

Alright, so solving for the net force is a rather simple and easy step. I want to briefly explain how you determine the net force, but before I do, let's examine the problem together. What has been provided to us? What direction is it going? Well, we can look at the information!

Amanda's Force: 5 N

Jeremiah's Force: 10 N

They're both pushing on the books, but in different directions. Left and right. If Amanda is pushing the books to the right 5 newtons, and Jeremiah is pushing the books to the left with 10 newtons, that means the net force is 5. The book is being pushed to the left! We can say that because Jeremiah's force is much larger than his sisters.

We can determine the net force from the following;

Net Force → 10 N - 5 N = 5 N

In conclusion, your answer should be a total of five (5) newtons

4 0

3 years ago

Read 2 more answers

What is the least number of forces required to stretch a spring?

Solnce55 [7]

Answer:

The least number of forces required to stretch a spring is one.

Explanation:

Let suppose that spring is ideal, that is, that effects from its mass can be neglected since it is insignificant in comparison with external forces. In addition, let the spring have a linear behavior, meaning that net external longitudinal force exerted on spring is directly proportional to defomation. (Hooke's Law) That is:

$F \propto x$ (1)

$F = k\cdot x$ (2)

Where:

$F$ - Net external force, measured in newtons.

$k$ - Spring constant, measured in newtons per meter.

$x$ - Deformation of spring, measured in meters.

Hence, the least number of forces required to stretch a spring is one.

7 0

3 years ago