4.A 200 kg cannon fires a 5 kg chicken into the air at a velocity of 100
m/s. Calculate the velocity of the cannon due to recoil.

Answer:

extrusion or volcanic

Explanation:

Answer:

The igneous rocks that form when magma cools is magmatic rocks

Answer:

Explanation:

We can use the kinematic equation v^2 = u^2 + 2as to solve for the length of the driveway. Here, u = 0 (since the car starts from rest), v = 3.8 m/s, a = F/m = 4.0 x 10^3 N / 2.1 x 10^3 kg = 1.9 m/s^2. Solving for s, we get:

s = (v^2 - u^2) / 2a = (3.8^2) / (2 x 1.9) = 3.8 m

So the length of the driveway is 3.8 meters.

Oliver and Maria are debating how to precisely determine the fluid's pressure at a particular depth.

What forces need to be considered in order to understand how a sphere falls in a fluid?

Stokes' law describes how spheres settle in a Newtonian fluid. A particle will sink if the buoyant force acting on a sphere submerged in a Newtonian fluid is not equal to or greater than the gravitational force acting on the sphere. The net downward force on a sphere is what separates the settling force from the buoyant force.

What connection exists between point pressure and depth in a fluid?

Because a liquid's pressure also increases with depth, the pressure of a liquid is inversely proportional to its depth.

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The density of water is approximately 1 g/cm^3. Therefore, the volume of 2800 g of water would be 2800 cm^3 because density is mass/volume, and so volume is mass/density.

Since this volume is inside a cubic box, the length of each side of the cube (a, for instance) could be found by taking the cubic root of the volume. This is because the volume of a cube is calculated by a^3 (length of one side cubed). Hence, a = cube root of 2800 cm^3 ≈ 14.1 cm.

Converting centimeters to meters (as 1 meter is equal to 100 centimeters), we get approximately 0.141 meters.

So the filled cubic box has a side length of approximately 0.141 m.

If the mass bigger and the acceleration faster, the force is bigger(F = ma). The rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force(p=mc) The gravity can affect the resultant force as weight when the object launch.

sorry if there's any grammar mistake

The parent should push vertically downward at a distance of 4.66 m from the pivot point in order to hold teeter-totter level.

Force can be a push or a pull that is always with magnitude and direction.

As, Fp × x - Mg × d - mc × (L - x) = 0

Fp is force applied by the parent, x is distance from the pivot point to the point where the parent applies force, Mg is weight of the teeter-totter, mc is the weight of the child, and L is length of the teeter-totter.

Fp × x - (38 kg × 9.81 m/s²) × 2.6 m - (19 kg × 9.81 m/s²) × (5.2 m - x) = 0

Fp × x - 976.68 N × m - 185.58 N × m + 183.39 N × m = 0

Fp × x = 978.87 N × m

x = 978.87 N × m / Fp

So, x = 978.87 N × m / 210 N = 4.66 m

Therefore, the parent should push vertically downward at a distance of 4.66 m from the pivot point in order to hold the teeter-totter level.

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A representative element is an element whose properties can be used to discuss the chemistry of the group into which the element falls.

A representative element is an element whose properties can be used to discuss the chemistry of the group into which the element falls. Now we will try to answer each of the questions.

1) The atoms of arsenic and nitrogen have five valence electrons

2) The statement that correctly describes the two representative elements are in the same period of the periodic table is that they belong to the same period and have the same number of shells.

3) Helium is different from the other members of group 18 because it has 2 and not eight valence electrons

4) The element that has  atoms with valence electrons in a higher energy level than those of calcium (Ca) is barium

5) The statements that best describes the arrangement of electrons in fluorine is that the the electronic configuration is [He] 2s2 2p5.

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Answer:

The volume is \(V_a = 1.510 *10^{-5} m^3\)

Explanation:

From the question we are told that

     The depth below the see is  \(d_1 = 30.0 \ m\)

     The density of the sea is  \(\rho_s = 1025 \ kg /m^3\)

      The temperature at this level is \(T_d = 5.00 ^oC = 278 \ K\)

      The volume of the air bubble at this depth is  \(V_d = 0.95 \ cm^3 = 0.95 *0^{-6}\ m\)

     The temperature at the surface is  \(T_a = 20^oC =293\ K\)

Generally the pressure at the given depth is mathematically evaluated as  

        \(P_d = P_o + \rho_s * g * d\)

Where \(P_o\) is the atmospheric pressure with a constant value

        \(P_o = 1.013 *10^{5} \ Pa\)

substituting values

       \(P_d = 1.013 * 10^{5} * + (1025 * 9.8 * 30 )\)

        \(P_d = 4.02650 * 10^{5} \ Pa\)

According to the combined gas law  

          \(\frac{P_a * V_a }{T_a } = \frac{P_d * V_d }{T_d }\)

=>      \(V_a = \frac{4.026650 *10^{5} * 0.95 *10^{-6} * 293 }{278 * 1.013*10^{5} }\)

=>     \(V_a = 1.510 *10^{-5} m^3\)

To make two hexagons out of pattern blocks, you need 12 trapezoids.

A closed, two-dimensional polygon containing six sides is what is known as a hexagon. Six vertices and six angles make up a hexagon.

Thus,

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Answer:

Gravitational force is an attraction between masses. The greater the size of the masses, the greater the size of the gravitational force (also called the gravity force). The gravitational force weakens rapidly with increasing distance between masses

In the given diagram,

The first force applied = F1 = 10N

The second force applied = F2 = 6 N

The net force exerted on the box = F = F1 + F2 = 10 + 6 = 16 N

The mass of the box = 10.6 Kg

As per the Newtons second law of motion,

Force = Mass x Acceleration

⇒ Acceleration = Force/Mass

⇒ Acceleration = 16/10.6

⇒ Acceleration = 1.50 m/s^2

Hence the acceleration of the box is 1.5 m/s^2

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Answer:

Is the vector is(mathematics) a directed quantity, one with both magnitude and direction, the (soplink) between two points while velocity is (physics) a vector quant that denotes the rate of change of position with respect to time or a speed with the directional component.

Solving Gaussian integration with polar coordinates involves converting the integral into polar coordinates, finding the mean and standard deviation of the function, substituting them into the Gaussian distribution formula, and integrating it over the range of the function in polar coordinates.

Gaussian integration with polar coordinates is the process of finding the integral of a function using polar coordinates and the Gaussian distribution. The polar coordinate system is a two-dimensional coordinate system that uses the radius and angle to locate a point in a plane. The Gaussian distribution is a probability distribution that is often used to describe random variables in statistics.
To solve the Gaussian integration with polar coordinates, we need to convert the integral into polar coordinates. The conversion is done using the following equations:
x = r cos(θ)
y = r sin(θ)
r² = x² + y²
θ = tan⁻¹(y/x)
Once the integral is converted into polar coordinates, we can use the Gaussian distribution to solve it. The Gaussian distribution is given by the following formula:
f(x) = (1/σ√(2π))e^(-(x-μ)²/2σ²)
where μ is the mean of the distribution and σ is the standard deviation. To use this formula, we need to first find the mean and standard deviation of the function we are integrating.
After finding the mean and standard deviation, we can substitute them into the Gaussian distribution formula and integrate it over the range of the function in polar coordinates. The result of the integration will be the value of the integral.
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The impulse is equal to the rate of change of momentum.

The term impulse refers to the product of force and time. Let us recall that from Newton's law, impulse is proportional to the change in the momentum of the ball.

We can write from Newtons law;

F. t = Mv - Mu

F = force

t = time

M = mass

v = final velocity

u = initial velocity

Thus, the impulse is equal to the rate of change of momentum.

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Answer:

Assumption: there is no object between this point charge and the observer.

Explanation:

The electric field of a point charge is inversely proportional to the square of the distance from that point charge.

Let \(k\) denote Coulomb's constant (\(k \approx 8.98755 \times 10^{-9}\; \rm N \cdot m^{2} \cdot C^{-1}\).) Let the magnitude of that point charge be \(q\). At a distance of \(r\) from this charge, the electric field due to this charge would be:

\(\displaystyle E = \frac{k \cdot q}{r^{2}}\).

Convert the magnitude of the point charge in this question to standard units:

\(q = 1\; \rm nC = 10^{-9}\; \rm C\).

Apply that equation to find the magnitude of the electric field due to this point charge:

\(r = 1\; \rm m\):

\(\begin{aligned} E &= \frac{k \cdot q}{r^{2}} \\ &= \frac{8.98755 \times 10^{-9}\; \rm N \cdot m^{2} \cdot C^{-2} \times 10^{-9}\; \rm C}{(1\; \rm m)^{2}} \\ &\approx 9.0\; \rm N \cdot C^{-1}\end{aligned}\).

\(r = 2\; \rm m\):

\(\begin{aligned} E &= \frac{k \cdot q}{r^{2}} \\ &= \frac{8.98755 \times 10^{-9}\; \rm N \cdot m^{2} \cdot C^{-2} \times 10^{-9}\; \rm C}{(2\; \rm m)^{2}} \\ &\approx 2.2\; \rm N \cdot C^{-1}\end{aligned}\).

\(r = 3\; \rm m\):

\(\begin{aligned} E &= \frac{k \cdot q}{r^{2}} \\ &= \frac{8.98755 \times 10^{-9}\; \rm N \cdot m^{2} \cdot C^{-2} \times 10^{-9}\; \rm C}{(3\; \rm m)^{2}} \\ &\approx 1.0\; \rm N \cdot C^{-1}\end{aligned}\).

The direction of the electric field at a point is the same as the direction of a force from this field onto a positive point charge at this point.

Because the \((+1\; \rm nC)\) point charge here is positive, the electric field of this charge would repel other positive point charges. Hence, the electric field around this \((+1\; \rm nC)\!\) point charge at any point in the field would point away from this charge.

Sound waves are a type of mechanical wave that propagate through a medium, typically air but also other materials such as water or solids.

Frequency: the frequency of a sound wave refers to the number of cycles or vibrations it completes per second and is measured in Hertz (Hz).

Amplitude: the amplitude of a sound wave refers to the maximum displacement or intensity of the wave from its equilibrium position. It represents the loudness or volume of the sound, with larger amplitudes corresponding to louder sounds and smaller amplitudes corresponding to softer sounds.

Wavelength: the wavelength of a sound wave is the distance between two consecutive points in the wave that are in phase, such as from one peak to the next or one trough to the next. It is inversely related to the frequency of the wave.

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The answer is:

The formula used to find an object's acceleration is a = Δv / Δt.

Acceleration is the rate of change of the velocity of an object with respect to time. It is a vector quantity.

The equation for acceleration is  

a = Δv / Δt

where a is acceleration,

Δv is the change in velocity,

Δt is the amount of time it took for that change to occur.

The unit is \(\frac{m}{s^{2} }\).

There are two ways by which an object can accelerate. One is to change the speed and other one is to change the direction. Even you can change both at same time.

If not changing any of them then object can not accelerate.

Some of examples of acceleration are

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Answer:

Mirage is a phenomenon which can be seen when the surface air gets heated up and it becomes lighter. Lighter air moves up in the atmoshphere.

Explanation:

When the lighter air from cooler areas to warmer areas are refracted and they bent upwards.and it dispers

,

Answer:

P = F d t = 10 ⋅ 20 30 = 6.7 W .

Explanation:

because

Answer:

362.6 N

Explanation:

\(F_{g}=mg\)

\(F_{g}=37\cdot9.8\)

\(F_{g}=362.6\ N\)

Therefore, the force that the glass hits the floor with is 362.6 N

Answer:

Explanation:

Yes, when a ball rolls down a ramp, it possesses kinetic energy. Kinetic energy is the energy associated with an object's motion. As the ball rolls down the ramp, it gains speed and its motion increases, resulting in an increase in its kinetic energy. The amount of kinetic energy the ball has depends on its mass and velocity.

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Answer:

Yes, when a ball rolls down a ramp, it possesses kinetic energy.

Explanation:

Kinetic energy is the energy associated with an object's motion. As the ball rolls down the ramp, it gains speed and its motion increases, resulting in an increase in its kinetic energy. The amount of kinetic energy the ball has depends on its mass and velocity.

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(a)

In order to find the series total resistance, we need to add all resistances:

If three resistances are 40 ohms and three are 80 ohms, we have:

(b)

Now, since the resistances are in parallel, we need to use the expression below:

So we have:

Answer:

180 LUV:)

Explanation:

The mode number for the electromagnetic standing waves in a 42.9-cm-wide microwave oven with a frequency of 2450 MHz is 7.

The mode number of  standing waves in a microwave oven can be found using  formula:

n = 2L/λ

λ = c/f

where c is the speed of light in vacuum and f is  frequency of the microwaves.

We are given  frequency of  microwaves as 2450 MHz. Converting this to SI units, we get:

\(f = 2.45 * 10^9 Hz\)

The speed of light in vacuum is approximately \(3.00 *10^8 m/s\).

Now we can calculate  wavelength:

\(\lambda = c/f \\\lambda = (3.00 * 10^8 m/s) / (2.45 * 10^9 Hz) \\\lambda = 0.1225 m\)

We are also given the width of the microwave oven as 42.9 cm, which we convert to meters:

L = 0.429 m

Now we can calculate the mode number:

\(n = 2L/\lambda \\n = 2(0.429 m) / 0.1225 m \\n = 7\)

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