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3 years ago

Fitness can be achieved only through

2 answers:

8 0

Fitness is more accurately described as habit, so it is achieved only through A. frequency. In order to achieve results in fitness, one must be consistent with exercise and nutrition. Not only is this the means to achieving fitness, this is also the way that fitness is maintained.

Lyrx [107]3 years ago

3 0

Correct answer choice is:

A. Frequency

Explanation:

When you begin to sweat, there is a variety of components to have confidence once you are fixing a program. you would like to understand what, when, how, where and, of course, how often. Frequency, because it applies to exercise, refers to what number times per week you are doing cardio and strength coaching workouts. A muscle requires 24 hours of rest to regain and get stronger after you have worked out. The best way is to repeat a workout on specific muscle at least twice a week.

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If A = 5 and C = 13, what is sin x?

lisabon 2012 [21]

By pythagorean theorem then, the vertical side of the right triangle must be 12.
Then if x is the angle between the horizontal side and the hypotenuse, sin(x) = 12/13 but also the anser should be in this sentences.

6 0

3 years ago

2 Points Which of the following are types of matter?

Hatshy [7]

What are the options?

4 0

3 years ago

What is the difference between weight and mass? Give an example of how they are different.

marusya05 [52]

Mass is the amount of matter it has, while weight is a measurement of the force placed on an object by gravity. An example of how they are different is that mass is always constant while weight varies depending on the location.

8 0

3 years ago

Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, t

wolverine [178]

Answer:

final velocity = 0.08585m/s

Explanation:

We are taking train cars as our system. In this system no external force is acting. So we can apply the law of conservation of linear momentum.

The law of conservation of linear momentum states that the total linear momentum of a system remains constant if there is no external force acting on the system. That is total linear momentum before = total linear momentum after

total linear momentum before = linear momentum of first train car + linear momentum of second train car

We know that linear momentum = mv

where,

m = mass

v = velocity

thus,

total linear momentum before = m₁v₁ + m₂v₂

m₁ = mass of first train car = 135,000kg

v₁ = velocity of first train car = 0.305m/s

m₂ = mass of first second car = 100,000kg

v₂ = velocity of second train car = −0.210m/s

Note: Momentum is a vector. So while adding momentum we should take account of its direction too. Here since second train car is moving in a direction opposite to that of the first one, we have taken its velocity as negative.

total linear momentum before = m₁v₁ + m₂v₂

= 135,000x0.305 + 100,000x(−0.210)

= 135,000x0.305 - 100,000x0.210

= 20,175 kgm/s

Now we have to find total linear momentum after bumping. After the bumping both the train cars will be moving together with a common velocity(say v).

Therefore, total linear momentum after = mv

m = m₁ + m₂ = 135,000 + 100,000 = 235,000

total linear momentum before = total linear momentum after

235,000v = 20,175

v = $\frac{20,175}{235,000}$

= 0.08585m/s

8 0

3 years ago

Read 2 more answers

In a white dwarf, electrons are packed in so tightly that they physically cannot get any closer to one another. This provides an

Natalka [10]

Answer:

The white dwarf will start to get darker.

Explanation:

The white dwarf will keep is spherical shape, since electron degeneracy pressure (outward direction) will counteract the force of gravity due to its own mass (inward direction) which lead to hydrostatic equilibrium.

A nuclear reaction occurs when light elements combine into heavier elements (that is know as nucleosynthesis). Exist different ways in which that can happen, but the most common is the Proton-Proton chain. In that fusion reaction, two atoms of Hydrogen combine to form helium, while the fusion takes place, photons are created.

Photons are the elementary particles that constitute light and taking into account that in white dwarfs the production of photons has ceased because there are no nuclear fusions, then, it is clear that the white dwarf will start to get darker as it cools since is emitting into space the photons produced in the past.

4 0

3 years ago