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Yanka [14]
4 years ago
15

Why can the geologic record be analyzed by looking at different rock layers? The layers have different ages with the youngest la

yers on bottom. The layers have different ages with the youngest layers on top. All layers have the same age. The layers have different ages with the oldest layers on top.
Physics
2 answers:
KIM [24]4 years ago
8 0

Answer:

the rocks have diffrent agges with the youngest on top

Explanation:

Troyanec [42]4 years ago
4 0

The layers have different ages with the youngest layers on top.

Explanation:

Geologic records can be analyzed by merely looking at different layers because, the layers have different ages with the youngest layers on top and the oldest at the bottom.

  • Layers of rocks that can be analyzed this way are the sedimentary rocks.
  • Sedimentary rocks are formed by the lithificatiion and compaction of sediments in their basin of deposition.
  • According to one of the fundamental principles in geology, "in an undisturbed sequence of sediments, the oldest rock layer is at the bottom and the youngest is on top".
  • This principles is the principle of superposition of sedimentary strata.
  • It helps in relative dating of sedimentary rocks.

Learn more:

Sedimentary rocks brainly.com/question/9131992

#learnwithBrainly

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mina [271]

Answer:

\frac{dQ}{dt}= 4312 W

Explanation:

As we know that base of the slab is given as

A = 11 \times 8

A = 88 m^2

now we know that rate of heat transfer is given as

\frac{dQ}{dt} = \frac{kA}{x} (T_2 - T_1)

here we know that

k = 1.4 W/m k

Also we have

x =0.20

\frac{dQ}{dt} = \frac{1.4(88)}{0.20}(17 - 10)

\frac{dQ}{dt}= 4312 W

7 0
3 years ago
Two students are on a seesaw. Student B is bigger than student A, so the seesaw is not balanced. How could the seesaw be bounced
DIA [1.3K]
With another person on student A’s side. I’m sorry if I wasn’t able to help. Im trying my best from the information given. :)
3 0
3 years ago
Two masses are separated by a distance r. If this distance is doubled, is the force of interaction between the two masses double
baherus [9]

Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

This is mathematically represented as

<u>F= (G X m1 x m2) /r∧2</u>

where F is the force acting between the charged particles

r is the distance between the two charges measured in m

G is the gravitational constant which has a value of <em>6.674×10^-11 Nm^2 kg^-2</em>

m1 and m2 are the masses of the objects measured in Kg

Now if the distance between the is doubled then r becomes 2r. Substituting this in the above formula we get the new Force as

Force (new) = (G X m1 x m2) /(2r)∧2


Thus dividing Force(new)/Force we get

Force(new)/Force = 1/4.

Thus the gravitational force becomes 1/4th of the original value if the distance between the two masses are doubled.




7 0
3 years ago
Read 2 more answers
a net force of 1,800 N is applied to a boat causing it to accelerate at 1.5 m/s^2. what is the mass of the boat?
Xelga [282]

Answer:

<h3>The answer is 1200 kg</h3>

Explanation:

The mass of an object can be found by using the formula

m =  \frac{f}{a}  \\

f is the force

a is the acceleration

From the question we have

m =  \frac{1800}{1.5}  \\

We have the final answer as

<h3>1200 kg</h3>

Hope this helps you

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4 years ago
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