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jekas [21]
3 years ago
6

Why are logarithmic scales useful in earth science?

Physics
1 answer:
Yuri [45]3 years ago
4 0
The differences in energy released by earthquakes are too large to express with linear scales.
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I mon runs a distance of 10km in 5 ms<br>he overage speed​
Harrizon [31]

<em>Note: Your question inputs seem a little odd. But, I am assuming that you really mean '10km in 5 ms'.</em>

<em></em>

Answer:

The Average speed = 15000 / 0.005 = 3000000 m/s

Explanation:

  • Average speed can be calculated by dividing the total distance covered by the total time.

Average speed = Total Distance / Total time

Given

  • Total distance = 15km = 15(1000) = 15000 m
  • Total time = 5 ms = 0.005 seconds

Thus,  

Average speed = Total Distance / Total time

Average speed = 15000 / 0.005 = 3000000 m/s

7 0
3 years ago
What are the magnitude and direction of electric field at the center of square?
Kobotan [32]

Answer:

hello the diagram related to this question is missing attached below is the missing diagram

Answer :

The magnitude of the electric field = 4KQ / L^2

direction = 45° east to south

Explanation:

The magnitude of the electric field = 4KQ / L^2

direction = 45° east to south

6 0
3 years ago
What does energy and Newton's Laws (all three) have to do with roller coasters?
Kipish [7]

Answer:

Potential Energy is the energy that is waiting to be released like at the top of the roller coaster, Kinetic energy is the energy that is moving the rollercoaster downhill fast.

Three Laws:

The rollercoaster will rest at the top, and then the gears will make it move downhill, and make it stop.

The gears make the rollercoaster move, and in reaction, it pushes back on the gears.

7 0
3 years ago
Read 2 more answers
The tape is now wound back into the drum at angular rate omega(t). With what speed will the end of the tape move? (Note that our
pshichka [43]

Answer:

See description

Explanation:

Frist we need to know the longitude of tape which is unwinding. Such relationship can be obtained with arc length. An arc length is the distance bewteen two points in a curve.

The relationship is:

S = \theta r

Where S is the arc length or distance, theta is the angle that results from the initial point of the measure to the final point, and r is the radius of a circumference.

Now let x(t) be length the unwinded tape. Change S by x(t) and you ge the relationship:

x(t) = \theta r

if you unwind the tape by one revolution (\theta = 2 \pi) you get the perimeter of a cricle x(t)= 2 \pi r, if you unwind it two times then x(t)= 4 \pi r and so on.

Then we have that the derivative of x(t) is v(t)

so we replace:

\frac{dx}{dt} = v(t)\\ \frac{dx}{dt}=v(t)=\frac{d\theta}{dt}

the derivative of theta with respect to t is ω(t) by definition:

\frac{d\theta}{dt}=\omega(t)\\ =>\frac{dx}{dt}=v(t)=\omega(t) r\\=>\frac{v(t)}{r}=\omega(t)

The result is the relationship between angular velocity and the velocity and tangential velocity at the point r

8 0
3 years ago
Why is the number of discovered exoplanets constantly increasing
IgorC [24]
The number of exoplanets increases over time because we are finding more and more exoplanets.

Hope this helped
5 0
4 years ago
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