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sammy [17]
2 years ago
10

Which of the following affects the speed of a seismic wave?

Physics
1 answer:
NemiM [27]2 years ago
5 0

Answer:

The answer is B.  composition

Explanation:

  • The speed of a seismic wave is governed by three interrelated factors, viz. the composition of the rock, pressure, and temperature.
  • Seismic waves travel at different speeds in different mediums.
  • This property of the seismic waves tends it to change the speed where the concentration of minerals in the rocks varies.
  • Other than that, the increasing temperature beneath the Earth's surface decreases the speed of the seismic waves, and the speed increases with increasing pressure as the waves go penetrating deep down into the Earth's interiors.
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What is the relationship between Newton's second law and gravitational acceleration?
beks73 [17]

Answer:

Correct answer:  Fg = m · g

Explanation:

Newton's second law states that if a resultant force is applied to an object, the object begins to move at an accelerated rate.

The formula that presents this is:

F = m · a  

this formula applies to an object moving on some surface

where m is the mass of the object and a the acceleration of the object

Let's take it now and watch the free fall:

The formula that presents this is:

Fg = m · g  

this formula applies to an object moving at free fall in vertical direction

Free fall is also an accelerated movement to which Newton's second law applies.

where m is the mass of the object and g the gravitation acceleration of the object . We also know that g is equal:

g = γ · Me / d² where Me is mass of the earth

God is with you!!!

5 0
3 years ago
Which is better? ( Gifting or Receiving )
Katen [24]
Honestly, giving. I know that receiving may feel very good, and you get that new thing that you wanted but if you give, you feel really good when you see that smile on someone else’s face.
3 0
3 years ago
Help me with the following problem
Effectus [21]

The mass of the ball is 1.55 kg and its change in momentum is  10 kgm/s.

<h3>What is momentum of a body?</h3>

The momentum of a body is the product of the mass and velocity of the body.

  • Momentum = mass * velocity

Mass of the ball = momentum/velocity

Mass of the ball = 3.29 / 2.11 = 1.55 kg

The change in momentum of the body or Impulse = force * time

Change in momentum of the body = 5.00 * 2.00 = 10 kgm/s

Therefore, the momentum of a body depends on its mass and velocity.

Learn more about momentum at: brainly.com/question/1042017

#SPJ1

6 0
2 years ago
Did the kinetic frictional coefficient (for the wood/aluminum and felt/aluminum cases) vary with area of contact
lawyer [7]

Answer:

Explanation:

Friction is defined as a force which acts at the surface of separation between two objects in contact and tends to oppose motion of one over the other.

While kinetic friction is the force that must be overcome so that a body can move with uniform speed over another.

Hence let consider one of the laws of friction which states that: '' Frictional force is independent of the area of the surfaces in contact.''

The value did not vary with area. This is because when calculating the kinetic fiction, the total contact area is not relevant and only the total weight of the system as well of as the block is put into consideration.

5 0
3 years ago
What are the like terms in the expression? 4m-9+3n+2
wel
-9 and +2
Hope I helped :)

5 0
3 years ago
Read 2 more answers
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