In the diagram, q1, q2, and q3 are in a straight line.
Each of these particles has a charge of
-2.35 x 10-6 C. Particles q1 and 92 are separated
by 0.100 m and particles q2 and q3 are separated
by 0.100 m. What is the net force on particle q3?

Answer: In a generator, the back and forth movement of electrons as the magnet spins and opposite poles of the magnet push the electrons in opposite directions is called Alternating Current (AC).

Explanation:

Answer:

alternating current and direct current

Explanation:

yall some of these questions arent that hard, use common sense

\( \tt{Difference \: Between \: \underline\red {Horticulture} \: And \: \underline\green{Agriculture}}\)

\( \text{\underline\red {Horticulture}}\)

The Cultivation of Fruits, Vegetables and Flowers for domestic and international markets are called Horticulture.

\( \text{\underline\green{Agriculture}}\)

It is science, art and occupation of cultivating the soil, producing crops and livestock. It is systematic and controlled use of living organisms and the environment to improve the human condition.

Answer:

B

Explanation:

B

The moment of inertia (I) will changes and net torque (Tnet) will also change, while the angular acceleration (a) remains constant.

The formula for net torque acting on an object is given as;

T(net) = Ia

where;

The  moment of inertia of an object is given as;

I ∝ MR²

where;

So mass, M changes, the moment of inertia (I) changes and net torque will also change, while the angular acceleration remains constant.

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(a) The magnitude of the gravitational force on the rock is 64.68 N and on the pebble is 5.488 x 10⁻³ N.

(b) The acceleration of each object is equal to acceleration due to gravity, = 9.8 m/s².

The gravitational force exerted on each object is calculated by applying Newton's law of universal gravitation as follows;

Fg = Gm₁m₂ / R²

where;

The acceleration of each object will be constant and equal to acceleration due to gravity, the force on each object is calculated by using Newton's second law of motion.

Force on the rock;

F = mg

where;

F = 6.6 kg x 9.8 m/s²

F = 64.68 N

The force on the pebble;

F = mg

F = 5.6 x 10⁻⁴  x 9.8

F = 5.488 x 10⁻³ N

Thus, the acceleration of each object is equal to acceleration due to gravity, = 9.8 m/s².

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The seven risk factors for heart attack are Age, Tobacco usage, high blood pressure, high cholesterol level, obesity, diabetes and metabolic syndrome.

Some other risk factors for heart attack are:

To prevent heart attack, one must,

Therefore, the seven risk factors for heart attack are Age, Tobacco usage, high blood pressure, high cholesterol level, obesity, diabetes and metabolic syndrome.

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Since Two stars M1 and M2 of equal mass make up a binary star system.  their orbital speed is  2.69E4 m/s.

The orbital period of a binary star system is given by the equation:

T = 2 * pi * sqrt(a³ / (G * (M1 + M2)))

where T is the orbital period, a is the semi-major axis of the orbit (half of the distance between the two stars at their closest approach), G is the gravitational constant, and M1 and M2 are the masses of the two stars.

Substituting the given values into this equation, we get:

3.20 days = 2 * pi * sqrt(a³ / (6.67E-11 m³ kg^⁻¹ s^⁻² * (5.45 sm * 1.99E30 kg/sm + 5.45 sm * 1.99E30 kg/sm)))

Solving for the semi-major axis, we find that a = 2.11E11 m.

The speed of each star in the orbit can be found using the equation:

v = sqrt(G * (M1 + M2) / a)

Substituting the values we have calculated, we find that v = 2.69E4 m/s. This is the speed of each star in the orbit.

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Explanation:

Falt isn't a size. I guess you were trying to spell flat. No, the earth isn't flat. instead, it is round.

Answer:

Earth is round. But the map shows you flat.

The efficiency of the engine is 17%.

Given the following data:

To find the efficiency of the engine:

Mathematically, the efficiency of an engine is calculated by using the formula:

\(Efficiency = \frac{E_O}{E_I}\) × \(100\)

Where:

Substituting the given parameters into the formula, we have;

\(Efficiency = \frac{201}{1176}\) × \(100\)

\(Efficiency = 0.171\) × \(100\)

Efficiency = 17%

Therefore, the efficiency of the engine is 17%.

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Answer:

Agree

Explanation:

Regarding the aluminium foil, its actually a transparent material, allowing almost all light to pass through. Non-visible light, such as radio waves, x-rays, and gamma-energy photons, can most definitely can travel through wood too. So yeah agree.

Light can travel through transparent materials which we  can see through.  Materials like, wood, aluminums foil etc. are opaque to light and does not pass light through it. Hence, disagreeing to the statement.

A material is said to be transparent if light can pass through it. Thus light any of the phenomenon like transmission, absorption or reflection. A fraction of light transmitting through the material is absorbed by it.

Mirror, glass, water etc. are transparent and light can transmit through it. These materials can absorb light and reflect a portion. The amount of incident light that is absorbed by the material is dependent on its nature.

Objects that does not pass light through them are called opaque. They cant absorb or reflect light. Objects such as wood, aluminum foil, metals such  as iron etc. are opaque. Thus, the given statement is false.

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The spring constant is 542 N/m.

The height the ball reaches is 37.5 m.

The angular speed of the ball is calculated as follows;

ω = 2π/T

ω = (2π) / (0.13)

ω = 48.33 rad/s

The spring constant is calculated as follows;

ω = √(k/m)

ω² = k/m

ω²m = k

(48.33² x 0.232) = k

542 N/m

v = ωL

v = 48.33 x 0.56 m

v = 27.1 m/s

h = v²/2g

h = (27.1²) / (2 x 9.8)

h = 37.5 m

Thus, the spring constant is 542 N/m.

The height the ball reaches is 37.5 m.

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1.5 kg ball has an acceleration of 9.0 m/s^2 to the left. what is the net force acting on the ball 13.50 N Leftwards

The rate at which an object's velocity with respect to time changes is referred to as acceleration in mechanics. They are vector quantities, accelerations. The direction of the net force acting on an object determines the direction of its acceleration.

Any object's mass and acceleration in the force's direction are multiplied together to form the net force exerted on it.

Here, F = m*a

         F = 1.5*9.0 = 13.50 N

Since, the acceleration is to the left, the net force also acts towards left.

13.50 N Leftwards

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Answer: B

Explanation:

Answers A and C are examples of physical weathering while B is chemical weathering when water and lime mix it creates a reaction

ANSWER

500 kg/m³

EXPLANATION

Given:

• The mass of the substance, m = 15,000 kg

• The volume of the substance, V = 30 m³

Find:

• The density of the substance, ρ

The density of a substance of mass m and volume V is,

Substitute the known values and solve,

Hence, the density of the substance is 500 kg/m³.

The coefficient of kinetic friction between the box and the floor,  μ = 0.1 m/2.

To find out the coefficient of kinetic friction between the box and the floor we will the formula,

μ = F/N

where,

F is friction force

N is normal force

So by question given is mass and acceleration we have to calculate friction force,

So to find F we use,

F = ma

F = 10 x 0.75 m/2

F = 7.5 m/2

By using formula of coefficient of kinetic friction,

μ = F/N

μ = 7.5 / 75

μ = 0.1 m/2

The kinetic friction coefficient (F) is the ratio of the kinetic friction force (F) between both the surfaces in contact during motion to the normal force Ff/N. The static and kinetic coefficients of friction are both affected by the surfaces in contact. Their values are determined through experimentation.

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Given,

The angle of projection, θ_D=35.0°

The time of flight, T=45.0 s

The height, h=3.30 km=3300 m

A.

The time of flight of a projectile is given by,

Where u is the initial velocity of the magma chunk and g is the acceleration due to gravity.

On substituting the known values,

Thus the initial speed of the magma chunk is 384.43 m/s

B. The horizontal distance of the flight of the magma chunk is given by,

Where u_x is the horizontal component of the initial velocity.

On substituting the known values,

Thus the horizontal distance of the magma is 14.17 km

The total distance covered by the car is 4 kilometers, this is because we are taking into account displacement and not just distance.

Displacement is defined as the change in the position of an object while distance is an object's overall movement in a directionless fashion.

There are many different units that can be used to measure distance (inches, feet, miles, kilometers, and centimeters), but the meter is the SI unit. It is a scalar amount because it does not consider

On the number line, we can see the movement as follows

1 0 -1 -2 -3= 4km

Distance is always positive and never gets smaller as you move. Displacement can be negative, positive, or zero because it refers to the change in the position of an object with respect to its original location.

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Answer:

Momentum

Explanation:

In order for an object's momentum to change,a force must be applied for a period of time

Answer:

?

Explanation:

Answer:

Speed, \(v=1.6\times 10^8\ m/s\)

Explanation:

Given that,

Distance covered by the electron, d = 32 cm = 0.32 m

Time, t = 2 ns

We need to find the speed of an electron. Speed is equal to distance covered divided by time. So,

\(v=\dfrac{0.32}{2\times 10^{-9}}\\\\v=1.6\times 10^8\ m/s\)

So, the speed of the electron is \(1.6\times 10^8\ m/s\).

Given:

Fundamental frequency = 262 Hz.

Temperature = 20 degrees celcius

Let's find the length of the pipe.

Apply the resonant frequency:

Where:

L is the length.

To find the length, rewrite the equation for L:

Where v is te speed, to find the speed, we have:

Thus, to find the length, we have:

Therefore, the length of the pipe is 0.67 m.

ANSWER:

0.67 m

Answer:

The rate of heat loss from the metal sphere at 827°C is twice the rate of heat loss from the same sphere at 427°C.

Explanation:

The rate of heat loss from an object can be determined using Newton's law of cooling, which states that the rate of heat loss is proportional to the temperature difference between the object and its surroundings. Mathematically, this is expressed as...     

\(Q = k \Delta T\)

Where...

\(\hrulefill\)

For the sphere at 827°C:

\(\Delta T_1= 827\°C - 27\°C \\\\\Longrightarrow \boxed{\Delta T_1=800\°C}\)

For the sphere at 427°C:

\(\Delta T_2= 427\°C - 27\°C \\\\\Longrightarrow \boxed{\Delta T_2=400\°C}\)

Assuming that the cooling constant k remains constant, we can compare the rates of heat loss.

\(\dfrac{Q_1}{Q_2} =\dfrac{\Delta T_1}{\Delta T_2}\\\\\Longrightarrow \dfrac{Q_1}{Q_2} =\dfrac{800\textdegree C}{400\textdegree C} =\boxed{2}\)

Thus, the rate of heat loss from the metal sphere at 827°C is twice the rate of heat loss from the same sphere at 427°C when the temperature of the surroundings is 27°C.

It's denoting to a right angle traingle

Hypotenuse we need

Apply Pythagorean theorem

Explanation:

The graph of y = √x is reflected in the y-axis, is horizontally stretched by a factor of 2, shifted 3 units up and 1 unit left. What is the equation of the transformed graph?

Original: y = √(x)

Reflected in the y-axis: y = √(-x)

Horizontally stretched by a factor of 2: y = √(-x/2)

Shifted 3 units up: y = 3 + √(-x/2)

And 1 unit left: y = 3 + √(-(x+1)/2)

One of the most effective time management strategies that I have used is creating a to-do list. They are successful because they help me to prioritize tasks, remain organized, increase productivity, and reduce stress.

One of the most effective time management strategies that I have used is creating a to-do list.

Creating a to-do list helps me to prioritize tasks and ensures that I do not forget any important tasks.

When creating a to-do list, I ensure that I put the most important tasks at the top of the list and then work my way down.

The to-do list has helped me to organize my work, manage my time effectively and reduce stress.

Another effective strategy that I have used is breaking large tasks into smaller manageable tasks.

When dealing with complex tasks, I break them down into smaller, more manageable chunks.

This helps me to focus on the individual parts of the task, which are easier to handle and manage.

When I focus on smaller tasks, I find it easier to get started, and I gain momentum as I make progress on each small task.

This method has helped me to increase my productivity and reduce the stress that comes with handling large tasks.

In conclusion, the above time management strategies have helped me to manage my time effectively at home, school, and in the workplace.

They are successful because they help me to prioritize tasks, remain organized, increase productivity, and reduce stress.

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Answer:

Less than the distance

The displacement of the runner after four seconds is 78.4 m.

We know that in this case, we are dealing with a case of an object that has a motion under gravity. We are told that the road runner an fell straight down off a cliff. The fact that we have been told that the runner just fell down the cliff means that the initial velocity of the runner would have to be taken in this context as zero since the runner was dropped from a height as shown.

Acceleration of the runner (g) = 9.8 m/s^2

Initial velocity of the runner (u) = 0 m/s

Time take (t) = 4 seconds

We then have;

h = ut + 1/2gt^2

If we then know that the initial velocity of the person is zero, then we have;

h = 1/2gt^2

h = 0.5 * 9.8 * (4)^2

h = 78.4 m

The height is 78.4 m.

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The right sphere will acquire an equal and opposite net positive charge to balance the negative charge on the left sphere.

Since the left sphere is attracted to the positively charged rod, it means that the left sphere acquires a temporary negative charge due to induction.

The positive charge on the rod repels electrons in the left sphere, causing them to move away from the rod side and accumulate on the opposite side, resulting in a net negative charge on the left sphere.

According to the principle of charge conservation, the net charge on the system must remain zero. Therefore, the right sphere acquires an equal and opposite net positive charge to balance the negative charge on the left sphere.

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The initial velocity of the potato is 54.41 m/s.

The given parameters:

The initial velocity of the potato is calculated by applying the principle of conservation of energy as follows;

\(m_1u_1 = m_2 u_2\\\\u_1 = \frac{m_2 u_2}{m_1} \\\\u_1 = \frac{5 \times 3.7}{0.34} \\\\u_1 = 54.41 \ m/s\)

Thus, the initial velocity of the potato is 54.41 m/s.

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