After exercise, your heart rate is ____ and you need to slowly bring it back to normal
A. Lowered
B. Destabilized
C. Elevated
D. Tripled

True. Strength training combined with cardiovascular fitness does make the body stronger and healthier.

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The answer is true :)

Sorry took a while to answer

Since you didn't add any answer choices I will explain the frequency of a wave the best I can.

The frequency of a wave is the distance between one crest and another. Frequency can affect the energy of a wave. If the crests in a wave are close together, than the frequency of said wave is high as well as the energy. If they are far apart, than the frequency will be low and the energy will also be low.

Hope this helped.

Wave frequency is the number of waves that pass a fixed point in a given amount of time.

The number of vibrations counted per second is called frequency. A wave is a group of vibrations that are referred to as energy. The bottom node is known as the crest, and the top node is known as the trough.

The frequency of an alternating current is the number of full cycles per second. The hertz, also known as Hz, is the accepted unit of frequency. The frequency of a current is 1 Hz if one cycle is completed per second; 60 cycles per second equals 60 Hz.

A often utilized factor in relation to the wave is frequency. Let's say we need to determine the wave's frequency and the wave moves at a certain pace. The wavelength and velocity of the light wave are also used to calculate the number of cycles the wave has completed in one second. The frequency term is frequently taken into account in relation to the sound wave.

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A. Gamma waves have the highest

Gamma Waves have the highest energy in the given list, followed by X-rays, Ultraviolet, Visible Light, Infrared, Microwaves, and then Radio Waves. Their energy is high enough to damage biological cells

In the electromagnetic spectrum, the energy of a wave is inversely proportional to its wavelength. The shorter the wavelength, the higher the energy they have. In this list, Gamma Waves have the shortest wavelength and therefore the highest energy.

Following Gamma Waves, are X-rays, Ultraviolet, Visible Light, Infrared, Microwaves, and then Radio Waves in terms of energy. Among these options, Gamma Waves definitely have the highest energy. The energy of Gamma Waves can be so high that they can cause damage to biological cells and are thus used in cancer therapy to destroy tumors.

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I just had this question on my test, the answer is C.

Answer:

The new force will decrease to one sixth the original value.

Explanation:

It is given that,

One charge is decreased to one-third of its original value, and a second charge is decreased to one-half of its original value.

Let, [tex]q'_1=\dfrac{1}{3}q_1[/tex] q₁ is the charge 1

[tex]q'_2=\dfrac{1}{2}q_2[/tex] q₂ is the charge 2

Initially, the electrical force between the charges is given by :

[tex]F=k\dfrac{q_1q_2}{r^2}[/tex]...........(1)

Let F' is the new force i.e.

[tex]F'=k\dfrac{q'_1q'_2}{r^2}[/tex]

So,

[tex]F'=k\dfrac{\dfrac{1}{3}q_1\times \dfrac{1}{2}q_2}{r^2}[/tex]

[tex]F'=\dfrac{1}{6}k\dfrac{q_1q_2}{r^2}[/tex]

[tex]F'=\dfrac{1}{6}F[/tex]  (from equation 1)

Hence, the new force will decrease to one sixth the original value.

How is production to be organized? is the correct answer on APEX.

Answer:how is production to be organised

Explanation:

Put in this order

higher  2

shift  1

increased  5

moving  9

lower  3

pitch  4

sound  7

crest  6

shortened 8

Hope I got it right :P

1. increased

2.pitch

3.sound

4.shortned

5.lower

6.moving

We measure temperature of matters with a device called thermometer. There are three types of thermometer, Celsius Thermometer, Fahrenheit Thermometer and Kelvin Thermometer.

Non-examples of temperature include instances like inaccurately implying ratios in temperature, thinking an increase in internal energy always results in an increase in temperature, and misconceptions about absolute zero in temperature scales.

A non-example of temperature could be simply understood as a situation or instance where temperature doesn't play a significant role, or where the notion of temperature as we usually perceive it, does not apply. For instance, the concept of ratio or multiplication in temperature such as saying 80 °C is four times as hot as 20 °C is a non-example, because there's no meaning to the ratio of 80 to 20 (or four to one) in the context of temperature. Another non-example is the assumption that increasing internal energy of a system necessarily increases its temperature; this is not always true. The temperature does not change when a substance changes from one phase to another, like during the melting of ice. This can be accomplished by adding heat or doing frictional work without changing temperature.

The concept of absolute zero, where there is zero molecular motion, is another perception which sometimes confounds the casual understanding of temperature, especially in cases like Celsius (C) and Fahrenheit (F) temperature scales where 0 degrees does not mean absence of heat because temperatures lower than zero exist and are in fact colder. Thus, these cases represent non-examples of common understanding of temperature.

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The answer is:

It is virtual and behind the mirror.

Mirrors produce images, either virtual or real.

Virtual images are produced when the image is behind the mirror. Real images are formed when they image is produced in front of the mirror.

So look at the image produced. It's small and found in behind the mirror.  This means that it is a virtual image. How do I know that its behind the mirror?

When you look at the diagram, the front side of the mirror is the blue side. This is a convex mirror.

A. Are created by vibrations

A common characteristic of sound waves is that they are created by vibrations. Sound is produced when an object or medium vibrates, causing molecules or particles in the surrounding medium to also vibrate. The correct option is option (A).

A common characteristic of sound waves is that they are created by vibrations. These vibrations are transmitted as mechanical waves through the medium, resulting in the propagation of sound.

Sound waves travel in a variety of directions depending on the source and surrounding conditions, so option (B) is not accurate in general.

Option (C) is incorrect because sound waves require a medium to propagate and cannot travel through empty space, such as a vacuum.

Option (D) is also incorrect because the speed of sound is much slower than the speed of light.

A common characteristic of sound waves is that they are created by vibrations. The correct option is option (A).

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Induction coil

hope this helps :)

Answer:

1 average 2 subtract.

Explanation:

a). add

b). subtract.

Question ~ What's the difference between the American and National Baseball Leagues?

Answer ~ Major League Baseball is divided into two leagues with long and storied histories. See more sports pictures

Most people know that Major League Baseball is divided into two separate leagues: 1The American League and the National League. The National League, formed in 1876, is the older of the two leagues that make up the professional Major League Baseball organization in the United States and Canada. The main difference in the two is that the American League uses the designated hitter rule to replace pitchers during at-bats, and the National League does not.

Alexander Cartwright, an architect and sportsman in New York City, is widely recognized as the father of modern organized baseball. He was instrumental in founding the first organization devoted to playing baseball, the Knickerbocker Base Ball Club, in 1845. He wrote 20 rules about the field layout and how the game was played. The most important one was that players had to be tagged or forced out rather than having the ball thrown at them [source: Dickey]. Of course, the rules were modified as the game evolved, but Cartwright gave us the essence of baseball.

Sorry if it's a bit too long and the word with the D isn't supposed to be a bad word in there sorry about that xD This took me a while. (It's not the Bad word with a D btw ;-; just don't mind that.) I'll put the part you need in bold so you know where they are. I don't know the others like the other 2 differences. But I tried my best. I hope this helps my hands really hurt from typing ;-;

Three differences between the American League and National League in Baseball include the use of the DH rule by the AL but not traditionally by the NL, the former impact of the All-Star Game on World Series home-field advantage, and the integration of Interleague play.

The American League (AL) and the National League (NL) are the two leagues that make up Major League Baseball (MLB). Historically, there have been several differences between them. Here are three distinct differences:

These differences contribute to unique strategies and fan experiences within each league.

[tex]ke = \frac{1}{2} \times mv {}^{2} [/tex]

kinetic energy : ke

m : mass ( 25kg )

v : velocity ( 10 m/s )

[tex] \frac{1}{2} \times 25 \times {10}^{2} [/tex]

= 1250 (J )

My answer is 1250J. By doing 1/2 × 25 × 10²

I think it is reactants

Products must equal reactants in a chemical reaction. This is known as the law of conservation of mass.

In a chemical reaction, one or more reactants (also known as reactants) are changed into one or more products (also known as products).

If there are the same number of atoms of various elements on either side of the equation, then the total atomic mass on the products side will be equal to the reactants side.

This should happen according to the law of conservation of mass in chemical reactions.

This means that during a chemical reaction, no atoms are created or destroyed. They are merely rearranged to form new molecules. This is why chemical equations must be balanced, or have the same number of atoms of each element on both sides of the equation.

By balancing the equation, we ensure that the law of conservation of mass is obeyed and that the products equal the reactants in terms of the number and type of atoms and molecules involved.

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Refer to the diagram attached (created with GeoGebra). Consider the 5 N force in two directions: parallel to the 8 N force and normal to the 8 N force.

The sum of forces on each direction will be the resultant force on that direction:

Apply the Pythagorean Theorem to find the magnitude of the resultant force.

[tex]\displaystyle \Sigma F = \sqrt{{(8 + \dfrac{5\sqrt{2}}{2})}^2 + {(\dfrac{5\sqrt{2}}{2})}^2} = 12.1\;\text{N}[/tex] (3 sig. fig.).

The size of the angle between the resultant force and the 8 N force can be found from the tangent value of the angle. Tangent of the angle:

[tex]\displaystyle \dfrac{\Sigma F_\text{Normal}}{\Sigma F_\text{Parallel}} = \dfrac{8 + \dfrac{5\sqrt{2}}{2}}{\dfrac{5\sqrt{2}}{2}} \approx 0.306491[/tex].

Find the size of the angle using inverse tangent:

[tex]\displaystyle \arctan{ \dfrac{\Sigma F_\text{Normal}}{\Sigma F_\text{Parallel}}} = \arctan{0.306491} = 17.0\textdegree[/tex].

In other words, the resultant force is 17.0° relative to the 8 N force.

Answer: the answer is B.

Explanation:

Answer:

Option B)

Explanation:

As we know that Earth's magnetic poles are inclined at some angle with the rotational axis of the Earth.

So here the magnetic poles must be inclined at some angle with the rotational axis of Earth

Now we know that magnetic field of earth originates from the south pole of earth and terminate near the north pole of earth

So magnetic poles of earth are opposite to the geographic pole of earth

So magnetic field will originate near the south pole and go near the north pole of earth

so here correct answer must be Option B)

Answer:

Unbalanced, 5N to the right.

Explanation:

Answer:

160 mN

Explanation:

The force exerted on the wire is given by

[tex]F=BIL sin \theta[/tex]

where

B is the magnetic field strength

I is the current in the wire

L is the length of the piece of wire

[tex]\theta[/tex] is the angle between the direction of the field and the wire

In this problem:

B = 0.97 T

I = 4.7 A

L = 3.5 cm = 0.035 m

[tex]\theta=90^{\circ}[/tex]

Therefore, the force exerted on the wire is

[tex]F=(0.97 T)(4.7 A)(0.035 m)(sin 90^{\circ})=0.160 N=160 mN[/tex]

Answer:

One battery, two resistors, two switches, three light bulbs

Explanation:

Each component is indicated with the following symbols:

- Battery: it is the one on the right, consisting of two longer lines and two shorter lines. It is the device that provides the electromotive force to the circuit

- Resistors: they are the devices on the bottom line, consisting of zig-zag lines. Resistors are pieces of circuit that resist to the flow of current in the circuit.

- Switches: they are labelled with a line with two dots at both ends. They can be opened/closed in order to stop/allow the flow of current in the circuit.

- Light bulbs: they are labelled with a circle filled with a X.

Answer:

A B D E

Explanation:

Bc I did the test

1. When the distance is doubled: [tex]3\cdot 10^{-7}N[/tex]

The electrostatic force between two charges is given by:

[tex]F=k\frac{q_1 q_2}{r^2}[/tex]

where

k is the Coulomb's constant

q1 and q2 are the two charges

r is the distance between the two charges

The initial force between the two charges is [tex]F=1.2\cdot 10^{-6}N[/tex]. In this part of the problem, the distance between the two charges is doubled, so we can write

[tex]r'=2r[/tex]

And substituting into the formula, we find the new force:

[tex]F'=k\frac{q_1 q_2}{r'^2}=k\frac{q_1 q_2}{(2r)^2}=\frac{1}{4}k\frac{q_1 q_2}{r^2}=\frac{F}{4}[/tex]

So, the force is reduced to 1/4 of its original value. Therefore, it is

[tex]F'=\frac{1.2\cdot 10^{-6} N}{4}=3\cdot 10^{-7}N[/tex]

2. When the distance is halved: [tex]4.8\cdot 10^{-6}N[/tex]

The initial force between the two charges is [tex]F=1.2\cdot 10^{-6}N[/tex]. In this part of the problem, the distance between the two charges is halved, so we can write

[tex]r'=r/2[/tex]

And substituting into the formula, we find the new force:

[tex]F'=k\frac{q_1 q_2}{r'^2}=k\frac{q_1 q_2}{(r/2)^2}=4k\frac{q_1 q_2}{r^2}=4F[/tex]

So, the force is quadrupled. Therefore, it is

[tex]F'=4(1.2\cdot 10^{-6} N)=4.8\cdot 10^{-6}N[/tex]

3. When the distance is tripled: [tex]1.33\cdot 10^{-7}N[/tex]

The initial force between the two charges is [tex]F=1.2\cdot 10^{-6}N[/tex]. In this part of the problem, the distance between the two charges is tripled, so we can write

[tex]r'=3r[/tex]

And substituting into the formula, we find the new force:

[tex]F'=k\frac{q_1 q_2}{r'^2}=k\frac{q_1 q_2}{(3r)^2}=\frac{1}{9}k\frac{q_1 q_2}{r^2}=\frac{F}{9}[/tex]

So, the force is reduced to 1/9 of its original value. Therefore, it is

[tex]F'=\frac{1.2\cdot 10^{-6} N}{9}=1.33\cdot 10^{-7}N[/tex]

True because the picture below proves this....

* from which red color is least deviated and violet most.

* Hopefully this helps:) Mark me the brainliest:) !!

∞ 234483279c20∞

Yes, the statement is true. When white light passes through a prism, red light is the least deviated because it has the longest wavelength among the visible light spectrum. This dispersion phenomena breaks white light into its constituent colors.

The statement 'When white light passes through a prism, red light is least changed in direction' is True. This is because when white light, which is made up of different colors or wavelengths, is refracted through a prism, it experiences dispersion. As a result, different wavelengths of light are bent by different amounts. This phenomenon occurs because different frequencies of light have different refractive indices for a given material. Therefore, each color follows a slightly different path through the prism. Red light has the longest wavelength among the visible light spectrum and is refracted or bent the least compared to other colors such as violet, which has the shortest wavelength and is refracted the most. This explains why when we observe the dispersion of white light through a prism, such as in Newton's rainbow experiment, we see red light emerge at the least deviated angle, and violet light at the most deviated angle.

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Answer: b. mirages

Explanation:

A mirage is an optical illusion that occurs naturally due to refraction in the atmosphere. This phenomenon occurs especially in environments where the air exhibits large variations in its temperature, causing each of the layers with different temperatures to have a different index of refraction and therefore, the light rays will be diverted to the colder side.

Then, when this happens, displaced images of distant objects, or in the sky, are produced. In fact, sometimes it seems that distant objects are reflected on a liquid surface that is not real.

Answer:

[tex]1.5\cdot 10^5 J[/tex]

Explanation:

The power used by an object is defined as:

[tex]P=\frac{W}{t}[/tex]

where

W is the amount of work done by the object

t is the time taken

In this problem, we have:

P = 500 W is the power of the microwave

[tex]t=5 min=300 s[/tex] is the time taken

So we can solve the formula for W, the work done by the microwave:

[tex]W=Pt=(500 W)(300 s)=1.5\cdot 10^5 J[/tex]

Given that,

mass of block A = 14kg

mass of block B = 12kg

angle alpha equals = 19°

Tension in wire connecting weight of object A and B is due to weight of block B

             = mgsin19

due to slope we will take horizontal components of weight, mg

             = 12(9.81)sin(19)

             = 38.3

Answer:

A) -55  km/

hr

Explanation:

Answer: A) -55 km/h

Explanation: The running man is traveling at -55 km/hr with respect to Car A. If the man were standing still, the car would be passing at 50. Since he is traveling at 5 in the opposite direction, that direction is positive, to him. His velocity now adds to the car velocity (50 + 5), but negative to account for the opposite direction.

Hope this helps!

It is an imaginary transformer which has no core loss, no ohmic resistance and no leakage flux. The ideal transformer has the following important characteristic. The resistance of their primary and secondary winding becomes zero. The core of the ideal transformer has infinite permeability.

An ideal transformer is a theoretical device with 100% efficiency, no energy losses, and follows the principle of power conservation. The voltage ratio across the coils is equal to the ratio of their turns. This idealized model helps in understanding transformer behavior without considering real-world inefficiencies.

An ideal transformer is a theoretical device used to model the behavior of real transformers without considering energy losses. Here are the main characteristics of an ideal transformer:

An ideal transformer is thus an efficient, lossless device that perfectly transfers energy between two circuits through magnetic induction.

Answer:

Current in the circuit, I = 0.2 amps

Explanation:

It is given that,

Voltage of the circuit, V = 1.5 volts

Resistance, R = 7.5 ohms

According to Ohm's law, the voltage is equal to the product of current and the resistance.

i.e. [tex]I=\dfrac{V}{R}[/tex]

V is the voltage across the circuit

R is the resistance in the circuit

[tex]I=\dfrac{1.5\ V}{7.5\ \Omega}[/tex]

I = 0.2 amps

Hence, the correct option is (d).

  = 64 N/m

According to Hooke's Law for a helical spring or an elastic material, extensional force is directly proportional to the distance the material has extended.

F = ke; where F is the extension force, k is the spring constant, and e is the distance extended.

Thus;

k = F/e

  = 44N/0.69 m

  = 63.768 N/m

  = 64 N/m

Final answer:

Reflection can be seen when light bounces off a body of water, when it reflects from a mirror, or even off rough surfaces like sidewalks, where the light is scattered rather than forming a clear image.

Explanation:

An example of reflection can be observed when looking at the surface of a body of water. From above, the water reflects light back into the air, providing us with the visible image of our surroundings. A familiar everyday experience is observing light reflection from a mirror, where light rays hit the mirror and bounce off at the same angle, forming a clear image. Surfaces like sidewalks also demonstrate reflection; the rough texture scatters the light in various directions, which is why we do not see a distinct image of the sun, but we still perceive the concrete due to reflected light.

D.Power has a time component while energy does not. This is because power is the RATE at which work is performed.