True/False Indicate whether the statement is true or false. 1. Volcanism can occur in a midocean rift, above a hot spot in the mantle, or where one tectonic plate slides below another. 2. Earth's magnetic field has reversed itself. 3. Earth's magnetic field is generated in the iron rich mantle. 4. The central part of Earth's core is solid. 5. Oxygen Earth's atmosphere is out gassed in volcanic eruptions. 6. The greenhouse effect occurs because carbon dioxide is opaque to infrared radiation. 7. The ozone layer is produced by oxygen atoms that link to form Oy 8. Molecular nitrogen (N) is the most harmful greenhouse gas in the Earth's atmosphere. 9. Pressure (P) waves can travel through a liquid, but shear (S) waves cannot. What property do greenhouse gases have that allow them to warm a planet?

(a) Your weight in Newtons is 560.7 N.

(b)  Your mass in kilograms is 57.12 kg.

(c) Your weight on the moon is 93.45 N.

a) To convert your weight from pounds to Newtons, we can use the conversion factor that 1 pound is equal to 4.45 Newtons.

Therefore, your weight in Newtons would be:

126 pounds x 4.45 Newtons/pound = 560.7 Newtons

b) To find your mass in kilograms, we can use the formula:

mass (kg) = weight (N) / acceleration due to gravity (m/s²)

The acceleration due to gravity on Earth is approximately 9.81 m/s². Therefore, your mass in kilograms would be:

mass (kg) = 560.7 N / 9.81 m/s² = 57.12 kg

c) The gravitational force between two objects depends on their masses and the distance between them. The gravitational force on the moon is about 1/6th the gravitational force on Earth.

Therefore, if you went to the moon, your weight would be about 1/6th of what it is on Earth.

Your weight on the moon would be:

126 pounds / 6 = 21 pounds

To convert this to Newtons, we can use the conversion factor:

1 pound = 4.45 Newtons

So your weight on the moon in Newtons would be:

21 pounds x 4.45 Newtons/pound = 93.45 Newtons

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More than one of the above. If an apple experiences a constant net force, it will have a constant acceleration. Its speed and velocity may change depending on the direction of the force.

If an apple experiences a constant net force, its acceleration will be constant. This means that the apple's speed and velocity can change over time. If the force acts in the same direction as the apple's initial motion, the apple's speed will increase. Conversely, if the force acts in the opposite direction, the apple's speed will decrease. The apple's position will also change over time due to its changing velocity. However, it's important to note that if the net force acting on the apple is zero, its speed, position, and velocity will remain constant due to the absence of acceleration.

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Answer:

meridians

     Imaginary lines called meridians that measure distances East and West of the Prime Meridian. Longitude is different from latitude. Longitude may also be referred to as meridians. Although they measure the distance from East and West, the lines run in the direction of north and south.

Explanation:

hope this helps you if it does please mark brainiest

Answer:Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.

pls mark brainliest

Explanation:

Ultra = X-ray

Explanation:

how are things going to paint the roof for beginners painting and decorating the whole house so I'm going away with a few sports mates for a couple nights for beginners but will have a look painting at a time and see what is going to be Strong enough

It is not essential to construct a theoretical number to ascertain the percentage inaccuracy in a lab report to obtain the coefficient of static and kinetic friction of a carpet surface.

In most cases, the percentage error is derived by comparing your experimental results to a known or acceptable number (if one is available).

However, because you are doing an experiment to discover the coefficients of friction for the carpet surface, there may not be an accepted or theoretical figure to directly compare with in this situation.

Here's how you can proceed in the absence of a theoretical value:

Thus, if you are unsure about the acceleration of the wooden block, you can utilize a motion capture device or video analysis to more correctly establish the block's motion.

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Answer:

C’est exact!! Excellent travail!

Explanation:

Answer:

a concave lens forms a smaller, real image. { a p e x :)) }

Explanation:

hey, friend! this is the answer, but make sure that, next time, you include the diagram to make it easier for us to help you, okay?

A concave lens forming a larger real or virtual image and Concave mirrors form both real and virtual images. therefore all statements are correct. Therefore these can be interpreted by using Ray diagram.

A ray diagram is a diagram that shows path taken by light in order to see a point on the image of an object. Ray diagram uses lines with arrows to show reflected and incident ray.

A concave lens is a lens that diverges a straight light beam from the source to a diminished, upright, virtual image. It can form both real and virtual images. concave lens has curve on both side. The lens having only one side plane and other is curved inside, the les is called as planoconcave lens.

Concave mirror can form both virtual and real image that depends on the distance between the mirror and object. We get virtual and magnified image When the object is placed very close to the mirror. when distance between the object and mirror is increased, image gets diminished and real.

Both concave lens and mirror form both real and virtual images that's depend on the distance.

Hence all statements are correct.

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Answer:

The answer is 144kg to 3s.f

Explanation:

convert cm to m

48/100=0.48

V=L³

V=0.48³

V=0.110592m³

\(density = \frac{mass}{volume} \)

1300=m/0.110592

m=1300×0.110592

M=144Kg o 3s.f

Answer: the light bulb will glow

Explanation: the battery has power inside of it so it will have POWER! lets goooo the lightbulb works! We have a light so we can see the monsters outside!

AC equipment is typically designed to operate at voltages within 10% of its rated power.

This means that if a device is rated to operate at 120 volts, it can typically function properly within a voltage range of 108 to 132 volts. Operating outside of this voltage range can lead to issues such as decreased efficiency, shortened lifespan of the equipment, and even potential safety hazards.

Voltage fluctuations can occur for a variety of reasons, including changes in power demand, fluctuations in the electrical grid, and electrical surges or spikes. To prevent damage to equipment and ensure safe operation, it is important to use voltage regulators, surge protectors, and other devices designed to stabilize voltage and protect equipment from voltage fluctuations.

It is also important to note that different types of AC equipment may have slightly different voltage requirements, so it is important to consult the manufacturer's specifications and recommendations to ensure proper operation. In general, however, most AC equipment is designed to operate within a 10% range of its rated power to ensure safe and efficient operation.

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This is the magnitude of the momentum of the billiard ball is 0.6kgm/s.

The magnitude of the momentum of an object is given by the formula

where m is the mass of the object and v is its velocity. Substituting the given values, we find that

Momentum is a measure of an object's tendency to continue moving in a straight line at a constant velocity. It is defined as the product of the object's mass and its velocity. The magnitude of an object's momentum is a measure of its strength or force and is directly proportional to the object's mass and velocity.

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Answer:

If and then for example: If you get at least 6 hours of sleep, you will do better on tests than if you get less sleep.

Explanation:

Answer:

Acceleration

Explanation:

We know that Force = Mass * Acceleration according to the formula.

Divide both sides by “Mass” which leaves us with Force/Mass = Acceleration, in word, it’s ratio of force and mass equals acceleration.

Answer:

State your hypothesis as concisely, and to the point, as possible. A hypothesis is usually written in a form where it proposes that, if something is done, then something else will occur. Usually, you don't want to state a hypothesis as a question. You believe in something, and you're seeking to prove it.

Explanation:

Speed, good luck. need to be 20 characters

Answer:

c

Explanation:

a. The rotational inertia of the rod is 0.0004 kgm²

b. The rotational inertia of a weight is 0.0009025 kgm²

c. The total rotational inertia is 0.002205 kgm²

Rotational inertia is a property of an object which shows its aboility to rotate about an axis.

The rotational inertia of  a rod is given by I = 1/12ML² where

Given that

So, substituting the values of the variables into the equation, we have that

I = 1/12ML²

= 1/12 × 0.030 g × (0.40 cm)²

=  1/12 × 0.030 kg × 0.1600 m²

=  1/12 × 0.0048 kgm²

= 0.0004 kgm²

So, the rotational inertia of the rod is 0.0004 kgm²

The rotational inertia of the weight (as a hoop) is given by I' = 1/2mL' where

Given that

So, substituting the values of the variables into the equation, we have that

I' = 1/2mL'²

= 1/2 × 0.050 g × (0.19 cm)²

= 0.025 kg × 0.0361 m²

= 0.0009025 kgm²

So, the rotational inertia of a weight is 0.0009025 kgm²

The total rotational inertia, I" = rotational inertia of rod + rotational inertia of both weights.

So, I" = I + 2I'

= 0.0004 kgm² + 2 × 0.0009025 kgm²

= 0.0004 kgm² + 0.001805 kgm²

= 0.002205 kgm²

So, the total rotational inertia is 0.002205 kgm²

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Answer:

I think it's D

Explanation:

I don't know I just think

To vary the amount of current that flows through each branch of a parallel circuit, we can:
1. Adjust the resistance

2. Add or remove branches

3. Adjust the voltage

1. Adjust the resistance: The amount of current flowing through a branch depends on the resistance in that branch.

You can change the resistance of a branch by adding or removing resistors, or by adjusting the value of variable resistors (also known as potentiometers or rheostats).

As resistance increases, the current flowing through the branch decreases, and vice versa.
2. Add or remove branches: In a parallel circuit, the total current is divided among the individual branches.

By adding or removing branches, you can affect the current distribution among the remaining branches.

For example, if you add an additional branch with the same resistance as the other branches, the current in each branch will be reduced as the total current is now divided among more branches.
3. Adjust the voltage: The current flowing through a branch is directly proportional to the voltage applied to the circuit. By changing the voltage source (battery or power supply) or adjusting the voltage, you can affect the current distribution among the branches.

Increasing the voltage will increase the current in all branches, while decreasing the voltage will decrease the current in all branches.
Remember to always be cautious when working with electrical circuits.

Turn off the power before making any adjustments or changes to the circuit, and follow proper safety procedures.

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Answer: Solenoid

Explanation:

Answer:

Solenoid

Explanation:

When there is a temperature difference/Gradient, heat flows from a region of high concentration to region of low concentration.

Thermal energy flow from region of higher temperature gradient to region of low temperature gradient till equilibrium is reached.

When the hot metal is places in a cold water bath, there will be a temperature difference and by conduction(water conducts heat) the heat will travel in the water medium and circulate till equilibrium

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ANSWER

False.

EXPLANATION

In radioactive decay (or nuclei decay), an unstable nucleus emits radiation into a nucleus that is table and has less energy and a lower mass.

Therefore, nuclei decay from a less stable form to a more stable form.

The answer is false.

Answer:

It will travel at 1 m/s2

Answer:

It will travel at 1 m/s2

Explanation:

Given:

Height = 0.8 m

Initial velocity = 7.6 m/s

Given that the ball goes straight up, let's solve for the following.

(a) What will be the ball's velocity when it gets back to its original height.

Since the ball has an initial velocity of 7.6 m/s, the ball's velocity when it gets back to its original height will be the opposite of the initial velocity.

Here, the final velocity will be the same as the initial velocity but in the downward direction.

Therefore, the ball's velocity when it gets back to its original height will be -7.6 m/s

(b) How long will it take the volleyball to get to the top of its path.

To find how long it will take the volleyball to get to the top of its path, apply the formula:

Where:

vf is the final velocity at its maximum height = 0 m/s

vi is the initial velocity = 7.6 m/s

a is acceleration due to gravity = -9.8 m/s^2

d is the displacement

Let's solve for the displacement.

We have:

Now, to find the time it will take, apply the formula:

Where t is the time.

We have:

ANSWER:

(a) -7.6 m/s

(b) 0.78 s

B and D are both the same statement.

It's the correct one.

The process of the blue giant start includes stellar Formation, main Sequence Phase, expansion and Cooling, helium Fusion, variable Behavior, and supernova.

The stage in the formation of a star just before nuclear reactions ignite. After a massive red giant star ejects its outer layers, its hot inner core is exposed, and it becomes a blue giant star.

During the process of a blue giant star,  once a star consumes all its hydrogen, the core superheats and pushes its surface layers far out into space.

The process of the blue giant start includes;

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Answer:

1)

Acceleration (a)=change in velocity/ change in time

Velocity (v)=90m/s

Time=0.0005s

a=90/0.0005

The acceleration =180000m/s^2 or 180km/s^2

Force = mass x acceleration

m=40g= 0.04kg

F= 0.04x 180000

F= 7200N or 7.2kN

Explanation:

The term you are looking for is "chemical battery". Chemical batteries work by converting chemical energy into electrical energy through a series of chemical reactions. These reactions take place within the battery's cells, which are composed of two electrodes and an electrolyte.

When the battery is connected to a circuit, the chemical reactions produce an electrical current that can be used to power devices. Chemical batteries are widely used in many applications, including consumer electronics, electric vehicles, and renewable energy systems. They are a crucial component of our modern technological society, and ongoing research is focused on developing more efficient and sustainable battery technologies to meet growing energy demands.

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