1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andru [333]
3 years ago
15

Basalt, formed from magma, contains iron-rich minerals. Why is this important?

Physics
1 answer:
Svetach [21]3 years ago
5 0
Iron is a magnetic metal, and it is essential to the Earth's magnetic field!
Essentially it "records" (stores the information, maintains) the direction and orientation of the magnetic field.

Among others, the magnetic field protects the Earth from dangerous cosmic rays. 
You might be interested in
Nicolas is playing with his toy car. A parachute in the back of the car is released to help slow down the car.
natima [27]

Answer:3 N —->

Explanation:

4 0
3 years ago
As your hand moves back and forth to generate longitudinal pulses in a spiral spring, your hand completes 2.91 back-and-forth cy
Lapatulllka [165]

Answer:

Wavelength, \lambda=0.011\ m

Explanation:

Given that,

Number of cycles in a spiral spring is 2.91 in every 3.67 s

The velocity of the pulse in the spring is 0.925 cm/s, v = 0.00925 m/s

To find,

Wavelength

Solution,

Number of cycles per unit time is called frequency of a wave. The frequency of the longitudinal pulse is,

f=\dfrac{2.91}{3.67}=0.79\ Hz

The wavelength of a wave is given by :

\lambda=\dfrac{v}{f}

\lambda=\dfrac{0.00925\ m/s}{0.79\ Hz}

\lambda=0.011\ m

So, the wavelength of the longitudinal pulse is 0.011 meters. Hence, this is the required solution.

8 0
3 years ago
How deep is the event horizon
Basile [38]

Explanation:

The supermassive black holes that the Event Horizon Telescope is observing are far larger; Sagittarius A*, at the center of the Milky Way, is about 4.3 million times the mass of our sun and has a diameter of about 7.9 million miles (12.7 million km), while M87 at the heart of the Virgo A galaxy is about 6 billion solar ..

7 0
3 years ago
Suppose a person whose mass is m is being held up against the wall with a constant tangential velocity v greater than the minimu
Naddika [18.5K]
In the magnitud is in good
7 0
3 years ago
Read 2 more answers
Jake drops a book out of a window from a height of 10 meters. At what velocity does the book hit the ground?
user100 [1]
G = 9.81 m/sec^2)     g = 9.81\frac{meters}{ second^{2} }

<span>Solving for velocity : </span>

velocity^{2}<span> = 2gh </span>
<span>v = </span>2gh^{ \frac{1}{2} }
<span>v = (2 x 9.81 x 10)^1/2 </span>
<span>v = 196.2 m/sec (answer)</span>
8 0
3 years ago
Other questions:
  • A child carries a 3N book at a constant velocity 4 meters across a horizontal floor. What is the net work done?
    9·1 answer
  • Similarities and differences between series and parallel circuit
    8·1 answer
  • A sample of plutonium-239 decays to one-eighth of its original amount after 7.236 x 104 years. What is its half-life?
    11·1 answer
  • What did Thomson’s model of the atom include that Dalton’s model did not have?
    14·2 answers
  • the fabric of the hot air balloon can stretch, but it does not allow air to pass through it. think about the change in air densi
    6·1 answer
  • Please help me with physics homework! Provide explanation.
    9·1 answer
  • A student performs a reaction twice. In the second trial, he increases the temperature of the reaction and notes that the reacti
    8·1 answer
  • Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). (a) W
    11·1 answer
  • Hi all, can u please help me in this. I would very appreciate it :)
    5·1 answer
  • The cricket ball has a mass of 0.16kg and it hits the bat with a speed of 25 m/s. After being in contact with the bat for 0.0013
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!