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3 years ago

Provide reasons why a renewable service is more valuable than a non-renewable services

1 answer:

5 0

One small reason would be renewable resources can be used more and never lose supply on the other hand non-renewable resources will one day run out

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PLEASE HELP IVE BEEN STUCK ON THIS FOR 3HOURS!

Anika [276]

Answer:

The river bank can expand due to the water breaking apart which can cause sediment to move and change/erode

5 0

4 years ago

Which of the following statements is/are true?Check all that apply.a. A dissipative interaction permits a two-way conversion bet

oee [108]

Answer:

a. A dissipative interaction permits a two-way conversion between kinetic and potential energies.

FALSE

in dissipative type of forces energy is not conserved so it is not possible

b. A nondissipative interaction permits a two-way conversion between kinetic and potential energies.

TRUE

in non dissipative type of force there is no energy loss so we can use energy conservation

c. A potential energy function can be specified for a dissipative interaction.

FALSE

Here potential energy is not defined for dissipative type of forces

d. A potential energy function can be specified for a nondissipative interaction.

TRUE

negative gradient of potential energy is equal to non dissipative type of forces

$F = -\frac{dU}{dr}$

3 0

4 years ago

What is the leading hypothesis for venus’s lack of water?

nadya68 [22]

Answer:

Its water molecules were broken apart, and hydrogen was lost to space. What kind of gas is most affected by thermal escape? What causes the release of oxygen into Earth's atmosphere?

Explanation:

6 0

3 years ago

Four cubes of the same volume are made of different materials: lead (density 11,300 kg/m3), aluminum (density 2700 kg/m3), wood

xz_007 [3.2K]

Answer:

1. Lead

2. Aluminum

3. Wood

4. Styrofoam

Explanation:

Specific gravity is a quantity that tells me how much an object is submerged on a fluid relating the densities:

$S.G=\frac{\rho_{object}}{\rho_{fluid}}$

Because all the cubes are placed on water, the density of the fluid is the same for all the cubes and S.G. is directly proportional to the density of the cube material. So, for greater density greater S.G.

The Archimedes principle states that the buoyant force is equal to the weight of water displaced, that is:

$\overrightarrow{B}=-\overrightarrow{W_{displaced}}$

So, the cube that submerges more is the cube that mor displace water and is the cube that has more buoyant force on it. In other words, the cubes with higher S.G. have more buoyant force, and because S.G is proportional to cube density, the cubes with more buoyant force have more density.

7 0

3 years ago

Jupiter's moon Io has active volcanoes (in fact, it is the most volcanically active body in the solar system) that eject materia

Anton [14]

Answer:

91.64 km

91.64 km high material would go on earth if it were ejected with the same speed as on Io.

Explanation:

According to Newton Law of gravitation:

$g=\frac{Gm}{r^2}$