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miv72 [106K]
4 years ago
9

How do you read a topographic map?

Physics
2 answers:
OlgaM077 [116]4 years ago
7 0

To read a topographic map you only need to follow the instructions below:

  • Orient your map - Using the compass point the arrow that indicates the north of the map to the same position. Put the compass in a flat place on top of the map for this. Rotate the map until the arrow and the north indication are in the same direction.
  • Find your location on the map - Look around your path to identify landscapes you identify, such as mountains, rivers, or forests. Try to locate these features on the map to find your position on the map.
  • Read the level curves - With the level curves, you will have an idea of ​​the type of terrain that will go through. Remember that the closer the contour lines are, the more inclined the terrain is, and of course the more level the contours are, the flatter it will be. Concentric circles indicate where peaks and hills meet. By convention, the fifth level curve (which indicates multiple values ​​of five) is a bit thicker.
  • Identify the characteristics of the landscape on the map, such as the ridges: Which are the tops of a mountain, so they are the innermost contours of a set of level "rings".

The best way to practice reading a topographic map is to identify the contours of a location that is quite familiar to you. So one of the great secrets to easy learning is to go somewhere we know well and, with a topographic map of the region, identify what each map element wants to identify.

natka813 [3]4 years ago
3 0
<span>1.Every point of the same contour line has the same elevation.2.One side of a contour line is uphill and one is downhill.3.Contour lines close to form a circle (or run off the side of the map). ...4.<span>Contour lines are drawn close together on steep ground and farther apart on flat ground</span></span>
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When a pendulum is at the position all the way to the left when it is swinging (at the top of the arc), what is true of the kine
JulsSmile [24]
Choice - B is the correct one.

At the top of the arc, at one end of the swing:
-- it's not going to get any higher, so the potential energy is maximum
-- it stops moving for an instant, so the kinetic energy is zero

At the bottom of the arc, in the center of the swing:
-- it's not going to get any lower, so the potential energy is minimum
-- it's not going to move any faster, so the kinetic energy is maximum
7 0
3 years ago
How much force is needed to stop a 4000 kg truck moving at 8 m/s in 0 2 seconds?​
maksim [4K]

Answer:

32000 N

Explanation:

Force Calculater

8 0
3 years ago
In a liquid with a density of 1500 kg/m3, longitudinal waves with a frequency of 410 Hz are found to have a wavelength of 7.80 m
ahrayia [7]

Answer:

The bulk modulus of the liquid is 1.534 x 10¹⁰ N/m²

Explanation:

Given;

density of the liquid, ρ = 1500 kg/m³

frequency of the wave, F = 410 Hz

wavelength of the sound, λ = 7.80 m

The speed of the wave is calculated as;

v = Fλ

v = 410 x 7.8

v = 3,198 m/s

The bulk modulus of the liquid is calculated as;

V = \sqrt{\frac{B}{\rho} } \\\\V^2 = \frac{B}{\rho}\\\\B = V^2 \rho\\\\B = (3,198 \ m/s)^2 \times 1500 \ kg/m^3\\\\B = 1.534 \ \times 10^{10} \ N/m^2

Therefore, the bulk modulus of the liquid is 1.534 x 10¹⁰ N/m²

5 0
3 years ago
You pull a solid nickel ball with a density of 8.91 g/cm3 and a radius of 1.40 cm upward through a fluid at a constant speed of
Sunny_sXe [5.5K]

Answer:

P = 1.090\,N

Explanation:

The constant speed means that ball is not experimenting acceleration. This elements is modelled by using the following equation of equilibrium:

\Sigma F = P - W + F_{D}

\Sigma F = P - \rho \cdot V \cdot g + c\cdot v = 0

Now, the exerted force is:

P = \rho \cdot V \cdot g - c\cdot v

The volume of a sphere is:

V = \frac{4\cdot \pi}{3}\cdot R^{3}

V = \frac{4\cdot \pi}{3}\cdot (0.014\,m)^{3}

V = 1.149\times 10^{-5}\,m^{3}

Lastly, the force is calculated:

P = (8910\,\frac{kg}{m^{3}} )\cdot (1.149\cdot 10^{-5}\,m^{3})\cdot (9.81\,\frac{m}{s^{2}} )+(0.950\,\frac{kg}{s})\cdot (0.09\,\frac{m}{s} )

P = 1.090\,N

5 0
3 years ago
Which three statements describe electromagnetic waves?
o-na [289]

Answer:

It is most likely option A B and C

3 0
3 years ago
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