A kid with a mass of 35 kg is standing on roller blades and is holding an 11 kg medicine ball.If he throws the medicine ball horizontally to the right, which statement below is true?a. The kid will move to the left at the same speed that the ball moves to the right.b. The kid will move to the left at a higher speed than the ball moves to the right.C. The kid will move to the left at a lower speed than the ball moves to the right.d. The kid will not move at all.

Answer:

I have strawberry blonde/brown hair blue eyes and a girl lol

Explanation:

Answer:

i havent even taken physics yet

Explanation:

Answer:

amount of plants

Explanation:

D. increased speed; acceleration is the correct description of that graph.

Shown far an item has come in a certain amount of time is displayed on a distance-time graph. The graph that shows the results of the distance vs time analysis is a straightforward line graph. The Y-axis represents the distance.

A sloping line on a distance-time graph shows that an item is moving. In a distance-time graph, the object's speed is equal to the slope or gradient of the line. The line becomes steeper as the thing goes more quickly (and the greater the gradient).

The horizontal line on a graph of a distance vs time indicates that the item is at rest because the distance does not change over time.

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Ans:

C

Explanation:

because it is moving down the stairs

A spring travelling down a flight of stairs has kinetic energy.

Since it is moving, it would be a spring moving down a set of steps. A stretched spring, a compressed spring, and a spring at the top of a set of steps are all in motion.

Kinetic energy is a type of power that a moving object or particle possesses.

An item accumulates kinetic energy when work, which involves the transfer of energy, is done on it by exerting a net force. A moving object or particle has kinetic energy, which depends on both its mass and its rate of motion.

Therefore, A spring travelling down a flight of stairs has kinetic energy.

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ANSWER:

3rd option

STEP-BY-STEP EXPLANATION:

First, let us consider block A:

By Newton's 2nd law of motion, force horizontal acting on the block A is given by F = m*a

As the block A and B, both are moving with constant velocity, the acceleration is zer .

Therefore:

F = m*a = 0

Then

uF = 0

There will be no horizontal force acting on block A

Now, considering block B:

STEP-BY-STEP EXPLANATION:

First, let us consider block A:

Making the same analogy as in block A in block B, we have the following (F = uF):

Therefore, the correct option is the diagram of the 3rd option

Answer:For this equation you would have to take the numerator and multiply with the other one, which would leave you with 24/80 and if you want the simplified version it would be 3/10, hope this helps! :)

Explanation:

The ratio of the gravitational force and electrostatic force is \(2.39 \times 10^{-43}\).

The charge on each particle at the given force ratio is \(2.264\times 10^{-19} \ C\).

The given parameters;

The gravitational force on the electron is calculated as;

\(F_g = \frac{Gm^2}{r^2}\)

The electrostatic force on the electron is calculated as;

\(F = \frac{kq^2}{r^2}\)

The ratio of the gravitational force and electrostatic force is calculated as;

\(\frac{F_g}{F}= \frac{Gm^2}{r^2} \times \frac{r^2}{kq^2} = \frac{Gm^2}{kq^2} \\\\\frac{F_g}{F}= \frac{(6.67\times 10^{-11})\times (9.11\times 10^{-31})^2}{9\times 10^9 \times (1.602\times 10^{-19})^2} = 2.39 \times 10^{-43}\)

The charge on each particle is calculated as follows;

\(\frac{Gm^2}{kq^2} = \frac{F_g}{F} \\\\\frac{(6.67\times 10^{-11}) \times (3.346\times 10^{-27})^2}{9\times 10^9 \times q^2} = 1.619\times10^{-36}\\\\q^2 = \frac{(6.67\times 10^{-11}) \times (3.346\times 10^{-27})^2}{9\times 10^9 \times 1.619\times10^{-36}}\\\\q^2 = 5.125 \times 10^{-38}\\\\q = \sqrt{5.125 \times 10^{-38}} \\\\q = 2.264 \times 10^{-19} \ C\)

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The total revenue of the profit-maximizing natural monopoly is P2 x Q2. The Option B is correct.

In economics, natural monopoly is a form of monopoly that exists due to the high start-up costs or powerful economies of scale of conducting a business in a specific industry, which often result in significant barriers to entry for potential competitors.

The firm with a natural monopoly might be the only provider of a product or service in an industry or geographic location. This type of monopolies can arise in industries that require scarce raw materials, technology or similar factors to operate.

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Answer:

For example, a wave with a time period of 2 seconds has a frequency of

1 ÷ 2 = 0.5 Hz.

Explanation:

Answer: Areobic Resporation

Explanation; -Aerobic respiration is the process in living things that evolved as oxygen levels increased in earth's atmosphere.

Answer:

1.4 m/s2

Explanation:

i took the test

Answer:

The carbon dioxide levels have increased due to burning fossil fuels

Explanation:

Correct on edge 2021 hope this helps!✌️

The gas in Earth's atmosphere that has increased over time due to burning fossil fuels is carbon dioxide.

Global warming is defined as the phenomenon of heating up of the earth's surface in a long term due to the increased amount of emission of green house gases in the earth's atmosphere.

Here,

When more fossil fuels and the materials like coal are burned for the purpose of energy production, it will result to the production of an increased amount of carbon dioxide. This leads to the emission of huge amount of carbon dioxide in the earth's atmosphere. Since, carbon dioxide is a green house gas, the release of higher amount of carbon dioxide will lead to an increased concentration of green house gases. This causes an increase in the temperature of the atmosphere, resulting in the increased heating of the surface of earth. This uneven heating up of  earth's surface is called global warming. This is the result of higher release of carbon dioxide in the earth's atmosphere.

Hence,

The gas in Earth's atmosphere that has increased over time due to burning fossil fuels is carbon dioxide.

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Answer:

See below

Explanation:

Average speed =  (0+ 10)/2 = 5 m/s

 then to cover 50 m     will take    50 m / 5 m/s  = 10 seconds

     change in velocity/ change in time = acceleration = 10/10 = 1 m/s^2

Answer:

C. They allow light to pass only if their directions of polarizations are exactly 90° apart.

Explanation:

If two polarizers are placed in a straight line, one behind the other, they allow light to pass only if their directions of polarizations are exactly 90° apart.

Answe thanks for the freee points UwU

Explanation:

Answer:

The pond's water level will fall.

Explanation:

Archimedes principle explains that a floating body will displace the amount of water that weighs the same as it, whereas a body resting on the bottom of the water displaces the amount of water that is equal to the body's volume.

When the anchor is in the boat it is in the category of floating body and when it is on the bottom of the pond it is in the second category.

Since anchors are naturally heavy and denser than water, the amount of water displaced when the anchor is in the boat is greater than the amount of water displaced when the anchor is on the bottom of the pond since the way anchors are doesn't make for them to have considerable volume.

When the anchor is dropped to the bottom of the pond, the water level will therefore fall. If the anchor doesn't reach the bottom it is still in the floating object category and there will be no difference to the water level, but once it touches the bottom of the pond, the water level of the pond drops.

Answer:

D

Explanation:

the other students are making fun of her most likely because they are jealous that she is successing in school. hope this helps :)

Answer:

D

Explanation:

The car is moving at approximately 12.5 meters per second.

The kinetic energy (KE) of an object can be calculated using the formula:

KE = 1/2 * m * \(v^2\)

where

KE = kinetic energy,

m =Mass of the object, and

v = velocity.

In this case, we are given the mass (m) of the car as 1600 kg and the kinetic energy (KE) as 125,000 J. To find the velocity .

Substituting the  values , we have:

125,000 J = 1/2 * 1600 kg *\(v^2\)

Now, we can solve for v by rearranging the equation:

\(v^2\) = (2 * 125,000 J) / 1600 kg

\(v^2\) = 156.25 \(m^2/s^2\)

Taking the square root, we find:

v = √156.25\(m^2/s^2\)

v ≈ 12.5 m/s

Therefore, the car is moving at approximately 12.5 meters per second.

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An autobiography, like a memoir, is the writer's recounting of his or her life and is written in the first person, making the writer the protagonist of the narrative.

Contemporary/Realistic: In order to accurately portray our environment and society, realistic fiction develops fictional people and circumstances. Growing up and dealing with social and personal issues are the main themes. Characters in this genre are depicted as they learn about both themselves and others.

Historical and contemporary fiction make up realistic fiction's two subgenres. Unlike current fiction, which takes place in the present or recently past, historical fiction takes place at a period that is far enough back in history to be deemed history.

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Answer: the answer is b

Explanation:

edge

Answer:

B. medical imaging, C. communication technology, and D. air conditioner.

Answer:

All points to the left of zero are negative

Explanation:

Answer:

C

Explanation:

on edge

In a DC generator, the generated electromotive force (emf) is directly proportional to the rotational speed of the generator's armature and the strength of the magnetic field within the generator.

This relationship is described by the equation for the generated emf in a DC generator:

Emf = Φ * N * A * Z / 60

Where:

Emf is the generated electromotive force (in volts),

Φ is the magnetic flux density (in Weber/meter^2\(meter^2\) or Tesla),

N is the number of turns in the armature winding,

A is the effective area of the armature coil (in square meters),

Z is the total number of armature conductors, and

60 is a constant representing the conversion from seconds to minutes.

From this equation, we can see that the generated emf is directly proportional to the magnetic flux density (Φ) and the product of the number of turns (N), effective area (A), and the total number of armature conductors (Z). This means that increasing any of these factors will result in a higher generated emf.

The magnetic flux density (Φ) can be increased by using stronger permanent magnets or increasing the strength of the field windings in the generator.

The number of turns (N) and the effective area (A) are design parameters and can be optimized for a specific generator. Increasing the number of turns or the effective area will result in a higher generated emf.

Similarly, the total number of armature conductors (Z) can be increased to enhance the generated emf.

By controlling and optimizing these factors, the generated emf in a DC generator can be increased, resulting in higher electrical output. However, it is important to note that there are practical limits to these factors based on the design and construction of the generator.

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When a small rubber ball bounces off a larger, heavier basketball, the basketball will move slightly in the opposite direction, but it will move much slower than the rubber ball due to its larger mass.

According to Newton's third law of motion, every action has an equal and opposite reaction. In the case of the small rubber ball bouncing off the basketball, the rubber ball exerts a force on the basketball, and the basketball exerts an equal and opposite force back on the rubber ball.

As a result, the small rubber ball bounces back in the opposite direction, while the basketball experiences a force in the opposite direction.

The motion of the basketball after the small ball bounces back depends on the mass and velocity of the two objects. Since the basketball is much larger and heavier than the rubber ball, it will not move much, if at all.

In fact, if the rubber ball is light enough and bounces back with enough force, it may cause the basketball to move slightly in the opposite direction. However, the basketball will move much slower than the rubber ball due to its larger mass and slower acceleration.

In terms of direction, the basketball will move in the opposite direction of the rubber ball, as dictated by the conservation of momentum. Since the total momentum of the system before and after the collision must be conserved, the basketball will move in the opposite direction of the rubber ball to balance out the momentum.

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1.Unit vector in the direction BA: BA/|BA| = (2/3, 2/3, 1/3)

2.The angular velocity (ω) of the body is given as 3 radians per second.

3.Without the position of point P given, it is not possible to write the position vector of P.

4.Left-handed rotation refers to the direction of rotation where the rotation follows the left-hand rule.

5.Position vector of point A: (4, 1, 1)

Position vector of point B: (2, -1, 0)

The direction vector BA = (-2, -2, -1)

1.To determine the unit vector pointing in the direction BA, we subtract the coordinates of point B from the coordinates of point A and normalize the resulting vector.

The direction vector BA is given by:

BA = (4 - 2, 1 - (-1), 1 - 0) = (2, 2, 1)

To obtain the unit vector in the direction of BA, we divide the direction vector by its magnitude:

|BA| = √(2^2 + 2^2 + 1^2) = √(4 + 4 + 1) = √9 = 3

Unit vector in the direction BA: BA/|BA| = (2/3, 2/3, 1/3)

2.The angular velocity (ω) of the body is given as 3 radians per second.

3.Without the position of point P given, it is not possible to write the position vector of P. Please provide the position of point P to proceed with the calculation.

4.Left-handed rotation refers to the direction of rotation where the rotation follows the left-hand rule. In a left-handed coordinate system, if you curl the fingers of your left hand in the direction of rotation, your thumb will point in the direction of the rotation axis. It is the opposite direction to a right-handed rotation.

5.The position vectors of points A and B are:

Position vector of point A: (4, 1, 1)

Position vector of point B: (2, -1, 0)

The direction vector BA can be obtained by subtracting the coordinates of point A from the coordinates of point B:

BA = (2 - 4, -1 - 1, 0 - 1) = (-2, -2, -1)

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Answer:

they are closer!!

Explanation:

Hope this helped!! :D

Genetic disorders and Parkinson's disease.

The components of vector C are: 25N in the horizontal direction and 43.30N in the vertical direction.

The vector can be broken down into two rectangular components (horizontal and vertical) using trigonometry:

The horizontal component is:

C_horizontal = C * cos(θ) = 50N * cos(60°) = 25N

The vertical component is:

C_vertical = C * sin(θ) = 50N * sin(60°) = 43.30N

Therefore, the components of vector C are: 25N in the horizontal direction and 43.30N in the vertical direction.

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Answer:

B. the number of field lines on the source charge

Explanation:

As we know that electric flux is defined as the number of electric field lines passing through a given area.

So here  electric flux due to a point charge "q" is given by

so here we know that flux depends on the magnitude of charge and hence we can say that number of filed lines originating from a point charge will depends on the magnitude of the charge.

The factor indicates the amount of charge on the source charge is the number of field lines on the source charge.

The electric flux is defined as the number of electric field lines passing through a given area.

The electric flux due to a point charge q is given by the number of filed lines through particular closed area.

We know that flux depends on the magnitude of charge and number of field lines starting from a point charge will depends on the magnitude of the charge.

Thus, the correct option is B.

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Answer:

The sign of work will be negative.

Explanation:

The work of the system is given by:

\( W = _{V_{i}}^{V_{f}}\int pdV = p(V_{f} - V_{i}) \)

Where:

\(V_{f}\): is the final volume = 31 L

\(V_{i}\): is the initial volume = 63 L

p: is the pressure

Even though we do not have the pressure value, by knowing the values of the initial and final volume we can predict the sign of work.            

\( W = p(V_{f} - V_{i}) = p(31 L - 63 L) = -32p \)

Therefore, the sign of work will be negative.

I hope it helps you!

The audience for the 9th grade physics MCAS is students in the 9th grade who are taking the Massachusetts Comprehensive Assessment System (MCAS) physics exam.

The exam is designed to assess students' knowledge and skills in physics, and it is used to make decisions about students' placement in courses, graduation requirements, and eligibility for college and career programs.

The 9th grade physics MCAS is a multiple-choice exam that consists of 50 questions. The questions are based on the Massachusetts Curriculum Framework for Science, which outlines the standards that students are expected to meet in physics.

Students who take the 9th grade physics MCAS must score at least proficient in order to meet the state's graduation requirements. Students who score below proficient may be required to take additional courses or remediation.

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