cardiorespiratory fitness improves the efficiency of the cardiovascular and the respiratory systems in delivering oxygen to the body

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Answer:

the answer to this question is A

Answer:

It is D. Almost no mass

Explanation:

The mass of an electron is 1/2000 times of proton/neutron

Answer:

6 m/s

Explanation:

120m/20s = 6 m/s

The average velocity of a car that goes 120 m in 20 seconds would be 6 meters per second, as the average velocity is calculated by dividing the total distance covered by the moving car by the total time taken by the car.

The total displacement covered by any object per unit of time is known as velocity. The generally considered unit for velocity is a meter per second. It depends on the magnitude as well as the direction of the moving body.

As the average velocity is determined by dividing the total distance traveled by the driving car by the complete amount of time it takes to travel that displacement, a car traveling 120 meters in 20 seconds would move at an average speed of 6 meters per second.

Thus, the average velocity of the car would be 6 meters/second.

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Answer:

Explanation:

F = m * a

The apple's acceleration is not influenced by the acceleration due to gravity for this question.  In real life it most certainly is influenced by gravity.

F = m * a

F = 10 Newtons.

a = 6 m/s^2

m = 10/6 = 1.66 kg. Mighty  large apple

The no of the electron must be 8 so that the atom will become electrically neutral. An electrically neutral atom has an equal no of electrons and protons.

The atom consists of matter that may be split without releasing electrical charges.

It's also the smallest unit of matter with chemical element features. As a result, the atom is the fundamental unit of science.

In the nucleus proton and the neutron is exists. The condition of the atom to be electrically neutral is that the number of the proton and electron should be the same.

In the given condition the number of protons is 8.

Hence the no of the electron must be 8. So the atom will become electrically neutral.

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Answer:

16km

Explanation:

First change the minutes into hours then multiply by the distance.

(8÷60)×120=16km

Explanation:

It is given that,

Height of the cliff is 100 m

Its horizontal velocity is 2 m/s

The attached figure shows the sketch of the cliff and the boulder. It will go in the form of parabola. Its trajectory is parabolic in nature. The horizontal distance is called the range of the parabola.

Answer:

the posible answer is the ball

Answer:

T = (27 da * 24 hr/da + 7 hr + 43 min/60 min/hr) * 3600 sec/hr = 2.36 * 10E6 sec       period of moon in sec

C = v t  = 2 pi R        circumference of orbit where v is orbital speed

ac (centripetal acceleration) =  v^2 / R = v^2 / (v t / 2 pi) = 2 pi v / t

ac = 2 pi * 1.03 * 10E3 m/s / 2.36 * 10E6 sec = 2.74 * 10E-3 m /s^2

Explanation:

pressure=force/area

force=mass x acceleration

area=length x width

force=M x LT^-2

area=L^2

[tex] \frac{mlt { - }^{2} }{l {}^{2} } [/tex]

=ML^-1T^-2

Answer:

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

[tex]volume = \frac{mass}{density} \\[/tex]

From the question

mass = 24 g

density = 1.2 g/mL

We have

[tex]volume = \frac{24}{1.2} \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

D. Empty Space

Explanation:

Answer:

down below

Explanation:

Since we aren't the given the time, lets say that an object to 25 seconds to fall 50 meters. We can use the formula [ s = d/t ] to solve.

s = 50/25

s = 2

Therefore, the object was falling at a rate of 2 meters per second.

Best of Luck!

Answer:

V = 49.05 [m/s]

Explanation:

We can easily find the result using kinematics equations, first, we will find the distance traveled during the 5 seconds.

[tex]y =y_{o}+(v_{o}*t)+(\frac{1}{2}*g*t^{2} )[/tex]

where:

Yo = initial position = 0

y = final position [m]

Vo = initial velocity = 0

t = time = 5 [s]

g = gravity aceleration = 9.81 [m/s^2]

The initial speed is zero, as the body drops without imparting an initial speed. Therefore:

y = 0 + (0*5) + (0.5*9.81*5^2)

y = 122.625[m]

Now using the following equation we can find the speed it reaches during the 5 seconds.

[tex]v_{f} ^{2}= v_{i} ^{2}+(2*g*y)\\v_{f}=\sqrt{2*9.81*122.625} \\v_{f}=49.05 [m/s][/tex]

Answer:

Explanation:

Velocity by definition means speed and direction of an object. This means it has a value and a positive or minus sign indicating direction. Speed is the absolute value of velocity because there is no direction correlated with speed. If you add a direction, it is then called velocity

Answer:

matter is any substance built of atoms

Explanation:

if anything occupies space and have a mass than that object is identifed as matter.

Answer: 20,000 seconds

Explanation: there are 1000 miles in a km, so 200km is 200,000 miles

Answer:

27.4

Explanation:

(13+43+12+3+66)/5

137/5

27.4

Answer:

27.4 because you add them all together and divide the number you get by 5

Answer:

Density

Explanation:

Density is a property that will allow for a possible identification of a material.  Different materials have different densities.  The unit for density is g/cm^3

Answer:

b is

Explanation:

Answer:

The horizontal forces (Cols 2 & 3) balance for W and Y.

The vertical forces (Cols 1 & 4) also balance for W and Y.

This is not true for either X (unbalanced horizontal forces) or

Z (also unbalnced horizontal forces)

Answer:

A) In northern hemisphere, position of the earth is towards to the sun.

B) In Southern hemisphere, position is away from the sun.

Explanation:

A) In the month of June in the northern hemisphere, the axis of the earth is usually tilted at an angle of about 23.5°. During this period, it revolves around round the sun with one complete revolution of 365 days. Now for the duration of this rotation, the position of the earth is that it leans into the sun when the Sun rises to its lowest Midday position in the sky .

B) For the southern hemisphere, it undergoes the same rotation as in the northern hemisphere. Just that it is usually in the month of December and the position of the earth is that it leans away from the sun when the Sun rises to its lowest Midday position in the sky .

Answer:

37

Explanation:

because the gravitational acceleration is10N/kg so 370/10=37 answer 37kg

Answer:

Fluorine

Explanation: Fluorine is the most reactive non-metal because it is the most electronegative of all of the non-metal elements of the periodic table.

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Fluorine would be more reactive.

Fluorine is a member of group 17 in the periodic table. The members of that group are called halogens.

Halogens are known to be highly reactive and for this reason they do not occur free in nature.

Also, fluorine is the most electronegative element (4.0 on Paulings scale). This explains why it is far more reactive than phosphorus (2.19).

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Answer:

Density = Mass/volume. D= 60/30.Divide it and you'll get ur answer as 2

Answer:

um, when you talk with other people about stuff. (I'm not trying to sound like a smarta s s I'm just giving a definition...)

Explanation:

Answer:

It a cricket Ball

Explanation:

Answer:

1)limited system of government

2)representative system of government

3)individual rights system of government

Explanation:

the 3 basic concepts of government that the English brought with them to North America are listed in the answer