Draco pushes a 3.2kg box with 1.5N of force. What is the resultant acceleration?

In order to help Scarlett retrieve her toy train from the lake, the wooden fishing rod can be modified or adapted by Attaching a magnet, Adding a hook or grappling device, and Using a net or scoop.

Attaching a magnet: Scarlett can attach a strong magnet to the end of the fishing rod. Since the train contains parts made of steel, the magnet will be attracted to the metallic components. By carefully maneuvering the magnet with the fishing rod, Scarlett can potentially attract and retrieve the train from the water.

Adding a hook or grappling device: Scarlett can affix a hook or grappling mechanism to the fishing rod. By casting the hook near the location where the train fell into the lake and skillfully maneuvering the rod, she can attempt to hook onto the train or one of its parts. With a successful hook, she can slowly reel in the train and bring it back to shore.

Using a net or scoop: If the toy train is floating on the surface of the lake or near the shallow edges, Scarlett can attach a net or scoop to the end of the fishing rod. By carefully positioning the net or scoop around the train, she can scoop it up and safely retrieve it without causing any damage.

It's important to note that the success of these modifications will depend on factors such as the depth of the lake, the accessibility of the train, and the size and weight of the fishing rod. Additionally, adult supervision or assistance may be necessary to ensure safety, especially if the lake is deep or poses any hazards.

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The motion when she is running directly east is Δx = 11.7 and Δy = 15.

To determine the slope of a line select two points on the line and calculate the delta y change in y value to determine the change in elevation. Divide the change in x value by the delta x to determine the change in width. The derivative of y is the square of x with respect to y.

So the derivative of something squared with respect to something is multiplied by the derivative of that thing with respect to x. That's exactly the chain rule. Yes, it means exactly the same. y in Newton notation and dy/dx in Leibniz notation. Newton and Leibniz independently invented calculus at about the same time, so in this case, they used different notations to express the same rate of change.

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approximately 2.093 x 10^(-6) cubic meters (or 2.093 milliliters) of coffee has spilled out of the beaker.To calculate the volume of coffee that has spilled out of the beaker, we can use the concept of thermal expansion. The change in volume is given by the formula ΔV = βVΔT, where β is the coefficient of volume expansion, V is the initial volume, and ΔT is the change in temperature.

First, let's convert the initial volume to cubic meters: V = 0.858 x 10^(-3) m^3.
Next, we calculate the change in temperature: ΔT = 90.6 - 18.2 = 72.4 °C.
The coefficient of volume expansion for water (and coffee) is approximately β = 3.4 x 10^(-4) °C^(-1).
Plugging in these values into the formula, we get:
ΔV = (3.4 x 10^(-4) °C^(-1)) * (0.858 x 10^(-3) m^3) * (72.4 °C) = 2.093 x 10^(-6) m^3.

Therefore, approximately 2.093 x 10^(-6) cubic meters (or 2.093 milliliters) of coffee has spilled out of the beaker.

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The net force acting on the book is zero, since the force of gravity pulling down on the book is balanced by the force of the desk pushing up on the book. This means that the book is not experiencing any acceleration or motion, and is in a state of static equilibrium.

Gravity is a fundamental force of nature that exists between any two objects in the universe that have mass. It is the force that attracts all objects with mass towards one another. The strength of the gravitational force depends on the mass of the objects and the distance between them.

The net force acting on the book is zero, since the force of gravity pulling down on the book is balanced by the force of the desk pushing up on the book. This means that the book is not experiencing any acceleration or motion, and is in a state of static equilibrium.

In other words, the book remains stationary on the desk.

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Answer:

V = 1.02 m/s

Explanation:

Given that,

The mass of a steel ball, m₁ = 3 kg

The mass of glob of clay, m₂ = 4 kg

The speed of a steel ball, u₁ = 2.4 m/s

The speed of glob, u₂ = 0 (at rest)

Let V be the combined speed of the system. Using the conservation of energy to find the combined speed.

\(V=\dfrac{m_1u_1+m_2u_2}{(m_1+m_2)}\\\\V=\dfrac{3(2.4)+4(0)}{(3+4)}\\\\V=1.02\ m/s\)

So, the combined speed is 1.02 m/s in left direction.

Answer:

A generator is a device that converts mechanical energy into electrical energy by rotating a coil of wire in a magnetic field.

The statement 'establishing a high critical value in a statistical test is associated with more confidence' is TRUE.

The statistical significance is a arbitrary value used to indicate that data collected can be used to confirm (or reject) my working hypothesis.

The most widely used value to measure the statistical significance is the p threshold.

In conclusion, the statement 'Establishing a high critical value when calculating the results of a statistical test means that a researcher will have more confidence in finding significance than when a lower critical value is established' is TRUE.

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Answer:

The answer is F or false

Explanation:

correct edge 2023

The lighter block will also accelerate to the right with an acceleration of -0.82 m/s².

(a) μ = 0

The heavier block will accelerate to the right with an acceleration of:

a = F / m = k x / m = (3.70 N/m) (0.0864 m) / 0.261 kg = 1.22 m/s²

The lighter block will also accelerate to the right with an acceleration of 1.22 m/s².

(b) μ = 0.110

The heavier block will accelerate to the right with an acceleration of:

a = F - μk / m = k x / m - μk / m = (3.70 N/m) (0.0864 m) / 0.261 kg - (0.110)(0.261 kg)(9.80 m/s²) = 0.68 m/s²

The lighter block will not accelerate because the force of friction is greater than the force of the spring.

(c) μ = 0.480

The heavier block will accelerate to the right with an acceleration of:

a = F - μk / m = k x / m - μk / m = (3.70 N/m)(0.0864 m) / 0.261 kg - (0.480)(0.261 kg) (9.80 m/s²) = -0.82 m/s²

Therefore, the lighter block will also accelerate to the right with an acceleration of -0.82 m/s².

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The answer is D

I took the quiz lol

Answer:

The dog's mass is 15.3kg.

Explanation:

Given that the formula for kinetic energy is k.e = 1/2×m×v² where m represents mass and v is the velocity. Then, you have to substitute the following values into the formula :

\(k.e = \frac{1}{2} \times m \times {v}^{2} \)

Let k.e = 6000,

Let v = 28,

\(6000 = \frac{1}{2} \times m \times {28}^{2} \)

\(6000 \div 784 = \frac{1}{2} \times m\)

\( \frac{1}{2} \times m = \frac{375}{49} \)

\(m = \frac{375}{49} \div \frac{1}{2} \)

\(m = \frac{375}{49} \times 2\)

\( m = \frac{750}{49} \)

\(m = 15.3kg \: (3s.f)\)

The path along which an object moves, which might be a straight line or might be curved, is referred to as the object’s trajectory.

This is defined as the path that an object follows when in motion and it varies according to various factors such as the forces acting on the object and so on.

A trajectory in this case could either be straight line or curved and is also referred to as the path an object travels in space.

This is therefore the reason why it was chosen in this scenario as the most appropriate choice.

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Answer:

1.47 s

Explanation:

From the question,

s = 2d/t................... Equation 1

s = speed of sound in air, d = distance between the boy and the hill, t = time to hear the echo.

make t the subject of the equation

t = 2d/s............... Equation 2

Given: d = 250 meters

Constant: s = 340 m/s

Substitute these values into equation 2

t = (2×250)/340

t = 500/340

t = 1.47 s

Answer:

transverse waves

Explanation:

this is because the definition of transverse waves is transverse waves are waves that travel perpendicular to the direction of the wave motion

however the definition of longitudinal waves is that longitudinal waves are waves that travel parallel to the direction of the wave motion.

so you can see the parallel means it forms compressions and rarefactions

but perpendicular means the particles will move up and down to the straight horizontal line, that's how lines are perpendicular right? ,

so the answer is transverse wave

hope this helps

please mark it brainliest

Answer:

5 meters per second

explanation

sana po makatulong

Answer:

the speed of light, the difference in frequency between the radio waves that receive back by the gun.

Explanation:

The kinetic energy of the ejected electron (photoelectron) is equal to the energy of the photon minus the work function (E required to eject the photoelectron).

The  process of final kinetic energy of the electron upon reaching the anode compare to its initial potential energy immediately after it has been ejected -

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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:

2,340,000 J

Explanation:

Work done can be described as when energy or force is applied to an object to cause displacement

Work done is measured in joules

1 Watt = 1 Joule / second

650 watts = 650 Joules / second

convert 650 joules to seconds by multiplying by 3600

650 x 3600 = 2,340,000 J

The car moving to the right with constant speed is moving with constant velocity. The acceleration is zero. The total force on the car is zero.

The rate at which an object's velocity with respect to time changes is referred to as acceleration in mechanics. It is a vector quantity to accelerate (in that they have magnitude and direction). The direction of the net force acting on an object determines the direction of its acceleration. According to Newton's Second Law, the amount of an object's acceleration is the combined result of two causes: According to the materials used to make the object, the magnitude of the net balance of all external forces acting on it is inversely proportional to its mass, but the magnitude of the net resulting force is directly proportional to the net force.

For instance, when a car starts from a complete stop (zero velocity, in an inertial frame of reference)

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Answer:

When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them

Answer:

Stars appear to move in the sky because earth rotates on its axis.

Explanation:

Stars appear to move in the sky because of Earth's rotation on its axis. As Earth rotates, it creates the illusion that the stars are moving in the opposite direction across the sky. This movement is similar to how objects appear to move past us when we are driving down the road. The stars themselves do not actually move, but our perspective from Earth makes it seem as though they are. This movement, along with the changing position of the sun, creates the patterns and movements that we see in the sky throughout the day and night.

The electric potential energy of the three quarks is equal to the product of the charges of the quarks divided by 200, multiplied by the constant \(\frac{1}{4\pi\epsilon_0}\).

Potential energy is a kind of energy that depends on the relative positions of different system components.

The electric potential energy of three quarks with a separation distance of 200 m is given by the equation

\(U = \frac{1}{4\pi\epsilon_0} \frac{q_1q_2}{r}\)

where \(q_1\) and \(q_2\) are the charges of the quarks and r is the distance between them.

In this case, since all three quarks have the same distance, r is 200 m, and the electric potential energy is calculated as:

\(U = \frac{1}{4\pi\epsilon_0} \frac{q_1q_2}{200}\)

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Answer:

1.33×10⁻¹⁰ N

Explanation:

F = GMm / r²

where G is the gravitational constant,

M and m are the masses of the objects,

and r is the distance between them.

F = (6.67×10⁻¹¹ N/m²/kg²) (1000 kg) (2000 kg) / (1000 m)²

F = 1.33×10⁻¹⁰ N

By Using Euler's method with two steps, we can find the approximate value of Y(2) is 2.125. , where Y is the solution of the initial value problem dy/dx = x - y, and Y(1) = 3.

Euler's method is defined as a numerical technique which is  used to approximate solutions into ordinary differential equations. The method includes dividing the interval of interest into smaller steps and thereafter approximating the solution at each step by using the derivative of the function.

In this case, we are given the initial value problem dy/dx = x - y, with the initial condition Y(1) = 3. To approximate Y(2) using Euler's method with two steps, we will divide the interval [1, 2] into two equal steps.

Step 1:

We start with the initial condition Y(1) = 3. Using the differential equation dy/dx = x - y, we can approximate the value of Y at the midpoint of the interval [1, 2].

Using the step size h = (2 - 1) / 2 = 0.5, we can calculate Y(1.5) as follows:

Y(1.5) ≈ Y(1) + h × (x - y) = 3 + 0.5 × (1.5 - 3) = 3 + 0.5 × (-1.5) = 2.25

Step 2:

Now, using the value of Y(1.5) as the new approximation, we calculate Y(2) using the same process:

Y(2) ≈ Y(1.5) + h × (x - y) = 2.25 + 0.5 × (2 - 2.25) = 2.25 + 0.5 × (-0.25) = 2.125

Thus,  by using Euler's method with two steps, the approximate value of Y(2) is 2.125.

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The complete question is

Use Euler's Method With Two Steps To Approximate Y(2), Where Y Is The Solution Of The Initial Value Problem: Dy : X − Y, Y(1) = 3

Answer:

1.for the first one 100centimeters make 1 meter therefore

100cm-1m

340cm-x

340/100

=3.4

the answer is supposed to be 3.4, maybe there's a mistake with the question or the answer

2.the weight of a body is given by the formula

mass×gravity,in this case the mass is 75kg and the gravity is 9.8

weight=75×9.8

=735N

3.for this one the mass of a body is given by the formula

mass=weight/gravity

=420/9.8

=42.8kg

I hope this helps

120m per minute

If you take 960 and divide it by 8 you get 120 then you have the answer 120m per minute

Answer:

Chemists classify chemical reactions in a number of ways: by type of product, by types of reactants, by reaction outcome, and by reaction mechanism. Often a given reaction can be placed in two or even three categories, including gas-forming and precipitation reactions.

Explanation:

mark me as brainliest thank you

The centripetal force exerted on the earth by the sun is 3.56775 × 10²² N.

Mass of the Earth, m = 6 × 10²⁴ kg

The average distance between the Sun and the Earth is, r = 1.5 × 10⁸ km                                                                                                           .                                                                                                                   r = 1.5 × 10¹¹ m

The path of the Earth around the Sun is circular, with a circumference:

c = 2πr

 c = 2 × 3.1416 ×  1.5 × 10¹¹ m

 c = 9.42478 × 10¹¹ m

The Earth takes time of T = 365.25 days to complete one revolution around the Sun, that is to travel the distance of c.

T = (365.25 days) × (24hr/1day) × (60min/1hr) × (60s/1min)

T = 3.15576 × 10 ⁷s.

Thus the velocity of the Earth is,

v = c/T

v = (9.42478 × 10¹¹ m) / (3.15576 × 10 ⁷s)

v = 2.98653 × 10⁴ m/s

The centripetal force exerted on the Earth by the Sun is given by,

F = 2mv/r

F = 2× (6 × 10²⁴ kg) × (2.98653 × 10⁴ m/s ) /(1.5 × 10¹¹ m)

F = 3.56775 × 10²² N

Therefore, the centripetal force exerted on the earth by the sun is 3.56775 × 10²² N

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Both displacement and velocity always point in the same direction. As acceleration always counters displacement, the two variables never move in the same direction.

Whenever the displacement & force both are travelling in the same direction, the force produces positive work. Is when displacement and the pressure are travelling in the opposing directions, the force does negative work. Friction's work always seems to be negative since it always prevents motion.

V = A w c o (wt) Sine and cosine functions have a phase difference of 90 degrees, or pi/2 radians. Hence, there is a 90 degree phase mismatch between displacement and velocity, or pi/2 radians. The equation of velocity can also be differentiated to produce acceleration.

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