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Tanzania [10]
3 years ago
9

Which would be most useful for overcoming the disadvantage of using ores? using public transportation recycling aluminum product

s buying paper instead of plastic minimizing electricity usage 100 points
Physics
2 answers:
nalin [4]3 years ago
7 0
The appropriate response is recycling aluminum products. Metal is a store in the Earths outside layer of at least one important minerals. The most profitable metal stores contain metals pivotal to industry and exchange, similar to copper, gold, and iron. Copper mineral is dug for an assortment of modern employments. Copper, an incredible conduit of power, is utilized as electrical wire.
Lady bird [3.3K]3 years ago
5 0

Answer: recycling aluminium products

Ore is an aggregate of inorganic minerals, which are economically valuable. The ores are present in the rocks. The ores are extracted from earth through the process of mining. The minerals present in the ores are non-metals and metals.

Recycling of aluminium products is most useful for overcoming the disadvantage of using ores, because ores are non-renewable resources, which means that their abundance is low on earth and these resources once used cannot be replenish. Aluminium is a valuable metal extracted from ore, therefore, once used for a specific purpose as a product should be recycled in another form so that can be used again.  

 

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A vase falls from a windowsill 50.0 m above the sidewalk. How fast is the base moving when it hits the ground?
scZoUnD [109]

Answer:

The answer is A sorry if i'm wrong

Explanation:

6 0
2 years ago
Light in the air is incident at an angle to the surface of (12.0 A) degrees on a piece of glass with an index of refraction of (
Orlov [11]

The question is incomplete. You dis not provide values for A and B. Here is the complete question

Light in the air is incident at an angle to a surface of (12.0 + A) degrees on a piece of glass with an index of refraction of (1.10 + (B/100)). What is the angle between the surface and the light ray once in the glass? Give your answer in degrees and rounded to three significant figures.

A = 12

B = 18

Answer:

18.5⁰

Explanation:

Angle of incidence i = 12.0 + A

A = 12

= 12.0 + 12

= 14

Refractive index u = 1.10 + B/100

= 1.10 + 18/100

= 1.10 + 0.18

= 1.28

We then find the angle of refraction index u

u = sine i / sin r

u = sine24/sinr

1.28 = sine 24 / sine r

1.28Sine r = sin24

1.28 sine r = 0.4067

Sine r = 0.4067/1.28

r = sine^-1(0.317)

r = 18.481

= 18.5⁰

4 0
2 years ago
A harmonic wave is traveling along a rope. It is observed that the oscillator that generates the wave completes 43.0 vibrations
blsea [12.9K]

Answer:

0.218

Explanation:

Given that

Total vibrations completed by the wave is 43 vibrations

Time taken to complete the vibrations is 33 seconds

Length of the wave is 424 cm = 4.24 m

to solve this problem, we first find the frequency.

Frequency, F = 43 / 33 hz

Frequency, F = 1.3 hz

Also, we find the wave velocity. Which is gotten using the relation,

Wave velocity = 4.24 / 15

Wave velocity = 0.283 m/s

Now, to get our answer, we use the formula.

Frequency * Wavelength = Wave Velocity

Wavelength = Wave Velocity / Frequency

Wavelength = 0.283 / 1.3

Wavelength = 0.218

7 0
2 years ago
Which statement accurately describes the relationship between force and momentum?
ivann1987 [24]

Answer:

A.

Explanation:

momentum depends on weight and speed

4 0
2 years ago
Please help me on this
QveST [7]

Answer:

i think its bulb 2

Explanation:

4 0
2 years ago
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