Which of the following is an example of a properly written testable hypothesis? *

A people should taste this new health food and see whether it makes them stronger

B When dog owners don't feed their puppies Brand A food, the puppies do not grow properly

C If Frederico had added the leaves to the compost pile last year, he wouldn't have to organic fertilizer

D if it is dark, then an owl will find a mouse by the sound the mouse makes​

When two forces act on an object to cause only rotation, they create a torque or moment.

Torque, also known as moment, is the rotational equivalent of force. It is the product of force and the perpendicular distance from the axis of rotation to the line of action of the force. When two forces act on an object in such a way that their lines of action do not pass through the same point, a torque or moment is generated.

The torque generated by each force is determined by multiplying the force magnitude by the perpendicular distance from the axis of rotation to the line of action of that force. The net torque on the object is the sum of the torques generated by the individual forces. If the net torque is non-zero and there are no other forces causing translational motion, the object will experience pure rotation.

In summary, when two forces act on an object to cause only rotation, they create a torque or moment. The net torque determines the rotational motion of the object, while other factors such as the object's mass distribution and rotational inertia influence the resulting rotation.

Learn more about torque here:

https://brainly.com/question/30338175

#SPJ11

The interference is not destructive, the interference is constructive.

Interference can be constructive or destructive. When two waves pass through the same space at the same time, it is known as interference. If the amplitude of the sum of the waves is less than the amplitudes of the individual waves, then interference is destructive.

Hence, we have to determine whether the interference is destructive when signals modeled by y=20sin (3t+45∘) and y=20sin(3t+225∘) are combined.

In this case, the amplitude of both signals is the same. Hence, we can ignore the amplitude term and consider only the angle component.  

The two signals can be rewritten in terms of the angle component as follows:

y1=3t+45°y2=3t+225°

To find the resultant of the two signals, we add the two signals:

yR=y1+y2=y1=3t+45°+y2=3t+225°=6t+270°

We know that the sine function repeats itself every 360 degrees. Hence, we can rewrite the above equation as:

yR=6t+270°=6t+360°−90°=6t−90°

From the above equation, the resultant signal can be written as: yR=20sin(6t−90°)To determine whether the interference is destructive or not, we check if the amplitude of the resultant wave is less than the individual waves.

Since the amplitude of each signal is 20, the amplitude of the resultant wave is also 20. Hence, the interference is constructive. This is because the two signals are exactly out of phase, and they interfere to create a stronger signal. Therefore, the interference is not destructive.

For more such question on interference visit:

https://brainly.com/question/23202500

#SPJ8

Answer:

blood picks up waste products such as carbon dioxide

returns to right atrium

moves to right ventricle and to lungs

blood travels from the lungs to the left atrium

carries oxygen and nutrients to the body cells

Explanation:

In the circulatory system, the blood carries the carbon dioxide to the right atrium of the heart through superior vena cava, then it move to right ventricle through tricuspid valve. The blood move to lungs following pulmonary artery and from lungs blood travels to the left atrium. From left atrium blood moves to the rest of the body through aorta and carries oxygen and nutrients to the whole body cells through.

Hence, the correct order is as follows:

blood picks up waste products such as carbon dioxide

returns to right atrium

moves to right ventricle and to lungs

blood travels from the lungs to the left atrium

carries oxygen and nutrients to the body cells

Answer:

Solar -  Please Give Brainliest

Explanation

Answer:

km/hr

Explanation:

Addition and subtraction are commutative

Meaning you can add or subtract in any order because it doesn't change the sum or the difference. So it doesn't change the units.

Answer:

km/ hr + km/ hr =(km+ km)/hr=2km/hr

Explanation:

The resistance of a circuit that contains two 50.0 Ω resistors connected in series with a 12.0 V battery is 100 Ω. The resistance of the circuit is equal to the sum of the individual resistors when they are connected in series.

In this case, two 50.0 Ω resistors are connected in series, resulting in a total resistance of 100 Ω. Resistance can be defined as the obstruction that electricity faces when it travels through a conductor. The greater the resistance, the less current is allowed to flow through the circuit. The following equation is used to calculate resistance: R = V / IWhere R is resistance, V is voltage, and I is current.

Resistance can also be calculated using Ohm's Law if we know the values of voltage and current. When resistors are connected in series, the total resistance of the circuit is equal to the sum of the individual resistors. This is expressed by the following equation:RT = R1 + R2 + ... + RNWhere RT is the total resistance of the circuit, and R1, R2, and RN are the individual resistors. In this case, the circuit contains two 50.0 Ω resistors connected in series.

To know more about circuit visit:

https://brainly.com/question/12608516

#SPJ11

To find the equation of motion for a spring mass oscillator with a mass of 1 kg, a damping constant of 10.6, and a spring constant of 21.33, we'll use the following terms in the explanation: oscillator, motion, and explanation.

Step 1: Identify the parameters of the oscillator.
Mass (m) = 1 kg
Damping constant (b) = 10.6
Spring constant (k) = 21.33

Step 2: Write down the general equation of motion for a damped spring mass oscillator.
The equation of motion for a damped spring mass oscillator is given by:

m * a(t) + b * v(t) + k * x(t) = 0

where a(t) is the acceleration, v(t) is the velocity, and x(t) is the displacement of the oscillator at time t.

Step 3: Substitute the given values into the equation of motion.
1 * a(t) + 10.6 * v(t) + 21.33 * x(t) = 0

This is the equation of motion for the given spring mass oscillator with the specified parameters.

To know more about equation visit :-

https://brainly.com/question/17145398

#SPJ11

Answer:

Explanation:

12,400,000

Answer:

A lemon squeezer is a small kitchen utensil designed to extract juice from lemons or other citrus fruit such as oranges, grapefruit, or lime. It is designed to separate and crush the pulp of the fruit in a way that is easy to operate.

Answer:

A lemon squeezer is a small kitchen utensil designed to extract juice from lemons or other citrus fruit such as oranges, grapefruit, or lime. It is designed to separate and crush the pulp of the fruit in a way that is easy to operate.

Explanation:

stay safe

Answer:

no because it will also affect other people

Answer:

Explanation:

operantly conditioned; positively reinforced

Explanation:

The answer is mentioned above.

Hope it helps.

Explanation:

Rock A was formed from small pieces of rock, which indicate a formation of a sedimentary rock, considering that those types of rocks are formed this way.

Rock B, however, was formed by liquid rock, which is another term for magma. Igneous rock is formed when magma cools down.

This concludes that the two rocks are different types.

Answer:

Point number 3.

Explanation:

Volcanism can be studied to found out evidence of the internal structure of the Earth.

Answer:

Volcanism

Explanation:

Explanation:

the correct answer is C. that is = 2N-1N = 1N left .

hope this helps you and if possible please mark me as BRAINLIST.

R3 and R4 are in series, so:

R6 and R7 are also in series, so:

R5, Req1 and Req2 are in parallel, so:

Now, Req 3, R10 and R11 are in series, so:

Now, we can find the total current in that segment using ohm law:

Now, let's find the voltage and the current for R3,R4, R5, R6, R7, R10 and R11

With this value, let's complete one portion of the table:

---------------

Now, R8 and R9 are in series, so:

Req5 and Req4 are in parallel, so:

R1 and R2 are in parallel, R12 and R13 are in parallel too, so:

Therefore, the total resistance of the circuit since Req6, Req 7, Req8 and R14 are in series, is:

And the total current is:

Answer:

A stationary proton is in a uniform magnetic field of 0.20 t. What is the magnitude of the magnetic force on the proton is zero.

Magnetic Field is the region around a magnetic material or a moving electric charge within which the force of magnetism acts.

Magnetic field, B = 0.2 T

Magnetic Force, F = B × v × q,

Here, v = speed = 0,

Hence, the magnetic force on the proton by the above formula,

⇒ F = B v q = 0.

What is the shape of magnetic field lines?

The shape of the magnetic field lines is of around a straight current carrying conductor.

To learn more about Magnetic field, here

brainly.com/question/14848188

#SPJ4

Answer:

b. Italy

Explanation:

Italy had sided with germany and lost in world war 2

After the Potsdam conference, Germany was divided into four occupied zones: Great Britain in the northwest, France in the southwest, the United States in the south and the Soviet Union in the east.

europeuncedu

The eccentricity of an orbit when both focal points are located at the sun is zero.

What is an orbit?

An orbit is the trajectory, or path, of an object that revolves around another object, the center of mass or a gravitational point. All planets orbit the sun, and the moon orbits the earth, for example, An elliptical orbit is the shape of many planetary orbits.

As a result, the eccentricity of the orbit is significant.

What is Eccentricity?

The degree of circularity of an orbit is referred to as its eccentricity. When the distance between the two foci is divided by the length of the major axis, eccentricity is calculated.

A perfectly circular orbit has an eccentricity of zero.

An ellipse with an eccentricity of 1 is a parabolic orbit. When eccentricity is greater than one, the orbit is hyperbolic.

The eccentricity of an orbit when both focal points are located at the sun:

Since there is only one focus, and the center of the sun is located there, the eccentricity of such an orbit is zero. Because there is only one focus, the distance between the two foci is also zero.

As a result, a planet's orbit with a sun-centered focus is always circular.

For similar question on eccentricity

https://brainly.com/question/29484069

#SPJ11

The DOH issues advisories from June to November due to increased health risks associated with the rainy season, disease outbreaks, and the need for preparedness and public education.

The Department of Health (DOH) issues public health advisories during the months of June to November for several reasons related to public health concerns specific to that time period. Here are some possible reasons:

1. Rainy Season: In many regions, June to November corresponds to the rainy season or monsoon season. During this time, there is an increase in rainfall, which can lead to various health risks such as waterborne diseases, flooding, and increased vector population (mosquitoes, rats, etc.). The DOH issues advisories to raise awareness and provide preventive measures against these risks.

2. Disease Outbreaks: Certain diseases are more prevalent or have a higher likelihood of outbreaks during specific months. For example, dengue fever is commonly associated with the rainy season due to the increased breeding of mosquitoes in stagnant water. Leptospirosis, which is transmitted through contaminated water, is also more common during this period. The DOH issues advisories to inform the public about these diseases and how to prevent them.

3. Preparedness and Response: The DOH aims to promote preparedness and timely response to public health emergencies. By issuing advisories in advance, they can inform the public about potential health risks, preventive measures, and necessary actions to take. This helps individuals and communities be better prepared and able to respond effectively to health threats.

4. Awareness and Education: Public health advisories serve as a means to educate and raise awareness about health-related issues. The DOH uses these opportunities to disseminate information on proper hygiene practices, sanitation, vaccination, and other preventive measures. By targeting specific months, they can address the specific health concerns associated with that time of the year.

It's important to note that the specific reasons for issuing advisories during these months may vary depending on the region and prevailing health risks. The DOH assesses local epidemiological data and collaborates with other agencies to determine the appropriate timing and content of the advisories.

Learn more about health risks here :-

https://brainly.com/question/26184017

#SPJ11

Answer:

yes,

Explanation:

because a compound contains two or more chemical elements chemically bond together.

The impulse of given nail is -90 kg-m/s .

The average force acting on nail is 11250 N .

Considering that,

The hammer weighs 12 kg.

The hammer's initial speed when that strikes a nail is u = 7.5 m/s.

At last, it comes to rest when v = 0.

The time is t = 8ms = 0.008 s.

Let J be the impulse applied to the nail in (a). An item receives an impulse equal to a change within the momentum. It comes from:

J = m(v - u)

v = 0

J = -12kg x 7.5 m/s

J = -90 kg-m/s

The impulse is causing motion to move in the opposite direction.

The following provides another definition of impulse:

J = F X t

The average force pushing against the nail is F.

F = J / t

F = 90 kg-m/s / 0.008 s

F = 11250 N .

To learn more about force refer to :

https://brainly.com/question/12970081

#SPJ4

Answer:

In MeV: 10.674 × 10^(34) MeV

In TeV: 10.674 × 10^(28) TeV

Explanation:

We are given that;

1.78 × 10^(-36) kg = 1 eV

We are now told that the blue whale has an average mass of 1.90 × 10^(5) kg

Thus, converting this mass of the blue whale to eV, we have;

(1.90 × 10^(5) × 1)/(1.78 × 10^(-36)) = 10.674 × 10^(40) eV

Now, converting to mega electron volts;

From conversions;

1 eV = 10^(-6) MeV

Thus,

10.674 × 10^(40) eV will be;

(10.674 × 10^(40) × 10^(-6))/1 = 10.674 × 10^(34) MeV

Also, converting to Tera electron Volts;

From conversion, we know that;

1 eV = 10^(-12) TeV

Thus;

10.674 × 10^(40) eV will give;

(10.674 × 10^(40) × 10^(-12))/1 = 10.674 × 10^(28) TeV

Answer:

Explanation:

Compete question;

A roller coaster has a loop in which the centripetal acceleration equals 9.8m/s² . If the tangential speed of the roller coaster cars is 15.7 m/s, find its radius.

centripetal acceleration a = v²/r

v is the tangential speed

r is the radius

Given

v = 15.7m/s

a = 9.8m/s²

9.8 =  15.7²/r

9.8r = 15.7²

r = 15.7²/9.8

r = 246.49/9.8

r = 25.152m

Hence the radius of the coaster is 25.152m

The equivalence principle is a fundamental principle of physics that states that the effects of gravity and acceleration are indistinguishable.

This means that an observer in a closed box cannot determine whether the box is stationary on the surface of the Earth under the influence of gravity or is accelerating in outer space with no gravity.

In other words, the gravitational force and the inertial force are equivalent and cannot be distinguished from each other.

This principle has been the foundation of many theories in modern physics, including Einstein's theory of general relativity.

To learn more about principle, refer below:

https://brainly.com/question/4525188

#SPJ11

The fraction of the light's energy that the electron acquires can be calculated using the above formula with θ=0, and it is found to be approximately 0.15.

In a Compton-shift experiment, the incident X-ray photons collide with electrons, resulting in the scattered X-ray photons having a longer wavelength and a lower energy. The fraction of the light's energy that the electron acquires can be calculated using the formula ∆λ = h/mc(1-cosθ), where ∆λ is the shift in wavelength, h is Planck's constant, m is the mass of the electron, c is the speed of light, and θ is the angle of scattering. In the given scenario, since the scattering is in the forward direction (φ=0), the angle of scattering (θ) is also 0. Therefore, the fraction of the light's energy that the electron acquires can be calculated using the above formula with θ=0, and it is found to be approximately 0.15.
In a Compton-shift experiment, X-ray light scatters off electrons, resulting in a change in the photon's energy and the electron's kinetic energy. When light scatters in the forward direction (φ = 0), the scattered photon's energy remains closer to its initial value. The fraction of the light's energy acquired by the electron can be determined using the Compton scattering formula:

Δλ = (h/m_e*c) * (1 - cos(φ))

Since φ = 0, cos(φ) = 1, and Δλ = 0. Therefore, there is no change in the photon's wavelength, indicating that the electron acquires a negligible fraction of the light's energy in this specific case.

To learn more about energy visit;

https://brainly.com/question/1932868

#SPJ11

The magnetic field at the surface of the wire is 7.69 mT.

Ampere's Law is stated as

" The magnetic field created by an electric current is proportional to the size of that electric current with a constant of proportionality equal to the permeability of free space."

According to the given question, we have

As per Ampere's Law for a gauge bare copper wire,

⇒  B   =   μ0 I / d π       →  1

Substitute the values d = 2.6 mm and I = 50 in 1,

⇒  B   =   μ0 I / d π

          =   4 π × \(10^{-7}\) × 50 / 2.6 × \(10^{-3}\) × π ( ∵ μ0 = 4 π × \(10^{-7}\) )

          =   4( 3.14 ) × \(10^{3}\) × 50 / 2.6 × \(10^{7}\) × 3.14 ( ∵ π = 3.14... )

          =   12.56 × 1000 × 50 / 8.164 × 10000000

          =   628 × 1000 / 8.164 × 10000000

          =   628000 / 81640000

B         =   0.0076923077  ≅  7.69

Therefore, 7.69 mT is the magnetic field at the surface of the wire.

To know more about the magnetic field of wire refer to:

https://brainly.com/question/26257705

#SPJ4