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slega [8]
3 years ago
14

In a homogeneous mixture, the ingredient substances are?

Physics
2 answers:
bazaltina [42]3 years ago
8 0
Are evenly distibuted
9966 [12]3 years ago
4 0

i was reading online and saw that it said that it was sparse in some areas lol but you are correct

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Derive the dimension of Power ​
stellarik [79]

Answer:

The dimension of power is energy divided by the time or [ML^2T^-3]

Explanation:

Power =\frac {Work Done}{Time}

We can derive Dimensions of Power from both formula.

Power = Force * Velocity

As,

Force = mass * acceleration

Therefore, Dimensions of

Force = [M]*[LT^-2] = [MLT^-2]

Since,

Velocity = \frac{Length}{Time}

Now, Dimension of

Velocity = [LT^-1]

We have Both Dimensions,Now we can derive Dimensions Of Power,

Power = Force * Velocity

Power =[MLT^-2] * [LT^-1]

Power =[ML^2T^-3]

7 0
3 years ago
When ionic bonds form compound structures in a solid state, they arrange in latticed, crystalline patterns.
Phantasy [73]

Answer:

Structures are determined by two principal factors: the relative sizes of the ions and the ratio of the numbers of positive and negative ions in the compound.

5 0
3 years ago
A certain car traveling 33.0mph skids to a stop in 39m from the point where the brakes were applied. In approximately what dista
Greeley [361]

Answer: 156.02 metre.

Explanation:

Give that a certain car traveling 33.0mph skids to a stop in 39m from the point where the brakes were applied.

Let us use third equation of motion,

V^2 = U^2 + 2as

Since the car is decelerating, V = 0

And acceleration a will be negative.

U = 33 mph

S = 39 m

Substitute both into the formula

0 = 33^2 - 2 × a × 39

0 = 1089 - 78a

78a = 1089

a = 1089 / 78

a = 13.96 m/h^2

If we assume that the car decelerate at the same rate.

the distance the car will stop had it been going 66.0mph will be achieved by using the same formula

V^2 = U^2 + 2as

0 = 66^2 - 2 × 13.96 × S

4356 = 27.92S

S = 4356 / 27.92

S = 156.02 m

Therefore, the car would stop at

156.02 m

8 0
3 years ago
What is the baseball's mechanical energy when it is at a height of 8.0 m? Explain.
Harrizon [31]

Answer:

In this section, we elaborate and extend the result we derived in Potential Energy of a System, where we re-wrote the work-energy theorem in terms of the change in the kinetic and potential energies of a particle. This will lead us to a discussion of the important principle of the conservation of mechanical energy. As you continue to examine other topics in physics, in later chapters of this book, you will see how this conservation law is generalized to encompass other types of energy and energy transfers. The last section of this chapter provides a preview.

The terms ‘conserved quantity’ and ‘conservation law’ have specific, scientific meanings in physics, which are different from the everyday meanings associated with the use of these words. (The same comment is also true about the scientific and everyday uses of the word ‘work.’) In everyday usage, you could conserve water by not using it, or by using less of it, or by re-using it. Water is composed of molecules consisting of two atoms of hydrogen and one of oxygen. Bring these atoms together to form a molecule and you create water; dissociate the atoms in such a molecule and you destroy water. However, in scientific usage, a conserved quantity for a system stays constant, changes by a definite amount that is transferred to other systems, and/or is converted into other forms of that quantity. A conserved quantity, in the scientific sense, can be transformed, but not strictly created or destroyed. Thus, there is no physical law of conservation of water.

Systems with a Single Particle or Object

We first consider a system with a single particle or object. Returning to our development of (Figure), recall that we first separated all the forces acting on a particle into conservative and non-conservative types, and wrote the work done by each type of force as a separate term in the work-energy theorem. We then replaced the work done by the conservative forces by the change in the potential energy of the particle, combining it with the change in the particle’s kinetic energy to get (Figure). Now, we write this equation without the middle step and define the sum of the kinetic and potential energies, K+U=E; to be the mechanical energy of the particle

6 0
3 years ago
Which statement best describes an atom?
Sergeu [11.5K]

Answer:

c. a group of protons and neutrons that are surrounded by electrons

Explanation:

protons and neutrons form the nucleus while the electrons orbit around the nucleus

6 0
4 years ago
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