The turd is launched at a speed of 53
m/s at an angle of 28 degrees above
the horizontal. How far horizontally
from the catapult should a portal be
placed in order to intercept the turd
before it hits the ground?

Answer: drying paint

Explanation:

From the options that are given in the question, we should note that car manufacturers use radiation for drying paint.

The radiation is vital as it keeps the car cool and also helps in the reduction if heat in the vehicle. The other options such as sealing windows, cleaning tires and lubricating engines aren't true as radiation isn't used for that purpose by the car manufacturers.

Answer:

drying paint

Explanation:

Answer:

A increases

Explanation:

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Answer:

it can be called PE or sometimes, there are equations which you can use the letter U.

Explanation:

Answer:

STORED ENERGY

Explanation:

The proper answer is that a force of 16 N net would be needed to accelerate the same item at 1.0 m/s2.

Newton's second law of motion condenses these relationships. The answer to the acceleration equation above can be written as Net Force = Mass Acceleration, or F = m a.

You know that force(F) & acceleration(a) are connected through mass(m),

F=ma

Here you have:

10 = 5 m

so, m = 10/5 = 2 Kg

Then if you have a = 8 m/s^2

you get:

F=2×8=16 N

Force = 16N

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a) The motion of the object between 15 s to 30 s is increasing velocity, to a constant velocity and finally a decreasing velocity.

(b) The average velocity of the object between 0 and 15 seconds is 0.167 m/s.

(c) The position of the object at 5.0 seconds is 0.5 m.

(d) Between 30 and 40 seconds, the velocity of the object is decreasing and the object is decelerating.

(a) The motion of the object between 15 s to 30 s can be described as increasing velocity, to a constant velocity and finally a decreasing velocity.

(b) The average velocity of the object between 0 and 15 seconds is calculated as;

average velocity = total displacement / total time

average velocity = (2.5 m - 0 m ) / ( 15 s - 0 s ) = 0.167 m/s

(c) The position of the object at 5.0 seconds is calculated as follows;

at 5.0 seconds, the position of the object is traced from the graph as 0.5 m.

(d) The motion of the object between 30 and 40 seconds is calculated as;

velocity = ( 0 m - 4 m ) / ( 40 s - 30 s ) = - 0.4 m/s

Between 30 and 40 seconds, the velocity of the object is decreasing and the object is decelerating.

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At 900 rpm, a fan spins. angular speed of the any point on a fan blade and tangential speed of a blade's tip if there is a 20 cm gap between the centre and the tip. 9.4 rads and 18.8 m/s.

Correct option is, C.

A amount or angle rotated (and angular displacement) by a rotating body in a given length of time is known as the angular velocity of the body. The symbol for it is omega (). The formula for angular velocity is rad/s = dtd. Radian per second serves as its SI unit.

The product of a moment of inertia (I) as well as the angular velocity () of the an object in rotation is the angular momentum. A vector quantity is angular momentum. Kg. m2 is the SI unit for angular momentum.

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The time it will take do the hiker to climb the 1200m high wall is 1,411.2 seconds.

Power refers to the measure of the rate of doing work or transferring energy.

Power = Work done/time

Since work = force × distance the body is moved

Power = (m × g × h) / t

Where;

According to this question, a 60kg hiker wishes to climb 1200m high. If he can generate a sustained average power of 500 watts, the time it will take to climb is as follows;

500 = 60 × 9.81 × 1200/t

500t = 705,600

t = 1,411.2 seconds

Therefore, 1,411.2 seconds is the time it will take the hiker.

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ANSWER

EXPLANATION

The velocity of a body is given by:

where d = displacement

t = time traveled

The red plastic buggy covers 60 cm (0.6 m) in 3 seconds. Therefore, its velocity is:

The little blue plastic buggy covers 240 cm (2.4 m) in 8 seconds. Therefore, its velocity is:

Answer:

erosion

Explanation:

Answer:

id.k

Explanation:

The magnitude of the charge is 0.29 μC (microcoulombs). To calculate the magnitude of the charge, we need to consider the electrostatic force acting between the two pieces of tape and equate it to the force of gravity.

The electrostatic force between two point charges can be given by Coulomb's Law:

F = k * (|q1| * |q2|) / r^2,

where F is the electrostatic force, k is the electrostatic constant (k ≈ 9.0 x 10^9 N m^2/C^2), |q1| and |q2| are the magnitudes of the charges, and r is the separation between the charges.

In this case, we assume that the two charges are equal in magnitude. Let's denote the magnitude of the charge as |q|.

The electrostatic force supporting the weight of the top piece of tape is equal to the force of gravity acting on it:

F = m * g,

where m is the mass of the tape and g is the acceleration due to gravity.

Given:

m = 15.0 mg = 15.0 x 10^-6 kg (convert to kg)

g = 9.8 m/s^2

r = 1.30 cm = 1.30 x 10^-2 m (convert to meters)

k ≈ 9.0 x 10^9 N m^2/C^2 (electrostatic constant)

Equating the forces:

k * (|q|^2) / r^2 = m * g

Solving for |q|:

|q|^2 = (m * g * r^2) / k

|q| = sqrt((m * g * r^2) / k)

Substituting the values:

|q| = sqrt((15.0 x 10^-6 kg * 9.8 m/s^2 * (1.30 x 10^-2 m)^2) / (9.0 x 10^9 N m^2/C^2))

|q| ≈ 0.29 x 10^-6 C

Therefore, the magnitude of the charge is approximately 0.29 μC (microcoulombs). When the electrostatic force between two pieces of tape is strong enough to support the weight of a 15.0 mg piece held 1.30 cm above another, the magnitude of the charge is approximately 0.29 μC (microcoulombs). This indicates a significant amount of charge accumulation on the tape, resulting in a repulsive force that counteracts the force of gravity.

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Safety symbols, danger symbols, or safety labels are graphical symbols that warn of or indicate hazards linked with an area or object. Images, pictograms, forms, words, phrases, sentences, or statements placed on walls, boards, buildings, doors, entrances, machinery, equipment, tools, transportation, roadways, or any other visible location are examples of safety symbols. The symbol alerts people to the presence of hazardous products or substances, as well as a hazardous environment, and warns them on how to stay safe or the potential repercussions if not avoided.

The given symbol means hammer.

A hammer is a hand tool that consists of a weighted "head" attached to a long handle and swung to produce an impact to a limited region of an item. This may be used to drive nails into wood, shape metal, or crush rock.

While all of these hammers have a round head for driving nails, the claw end may be used for prying, splitting wood, ripping drywall, and other minor demolition chores. A claw hammer's claw is curved, whereas a framing hammer's claw is straight. These hammers are ideal for the following tasks: woodworking

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Answer:w+mg

Explanation:

Answer:

Explanation:

A and D was the right answer for me.

The two statements describe how matter changes only in a nuclear reaction are each atomic nucleus changes and atoms of new elements are formed.

Nuclear reactions is the nuclei transformation process in which one or more nuclides are produced from the collisions between an atomic nucleus and a subatomic particle (neutrons or protons)

In this reaction, the nucleus changes because, the number of protons or neutron decreases. New element with new atomic number and nucleus is formed.

Thus, the correct option is A and  D.

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Answer:

The amount of sunlight

Explanation:

The sun is independent but the plants are dependent on the sunlight

The work done against friction is-100 J

The work done against friction is equal to the difference between the work done by the applied force and the increase in potential energy:

Work done by applied force = force x distance x cos(theta)

where theta = angle between the incline and the horizontal plane.

W = 50 N x 8 m x cos(θ)

The increase in potential energy is given as 300 J.

The work done against friction is given by:

W = ΔE - Wp

where ΔE = change in potential energy and Wp = work done by the person (50 N force over 8 meters).

W = 300 J - (50 N × 8 m)

W = 300 J - 400 J

W = -100 J

The work done against friction is negative, indicating that the force of friction is acting in the opposite direction of motion.

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Steady axisymmetric flow refers to a type of fluid flow in which the velocity field exhibits symmetry around a central axis. This means that the flow properties, such as velocity and pressure, remain unchanged with respect to the azimuthal angle as we move along the axis. In other words, the flow remains constant along concentric circles or rings around the axis.

The velocity equation for steady axisymmetric flow can be described using cylindrical coordinates, which are commonly used to analyze such flows. In cylindrical coordinates, the velocity vector can be expressed as (u, v, w), where u is the axial velocity component, v is the azimuthal velocity component, and w is the radial velocity component.

For steady axisymmetric flow, the velocity components do not vary with the azimuthal angle (ϕ), but they can vary with the axial coordinate (z) and the radial coordinate (r). Therefore, the velocity equation can be written as:

u = u(z, r)

v = v(r)

w = w(z, r)

The axial velocity component, u, depends on both z and r. It describes the flow velocity along the axis of symmetry. The azimuthal velocity component, v, depends only on r and represents the rotational component of the flow. The radial velocity component, w, depends on both z and r and represents the flow velocity perpendicular to the axis.

The specific form of the velocity equation depends on the particular flow situation and the governing equations for fluid dynamics. It can be derived by applying the conservation equations, such as the continuity equation and the Navier-Stokes equations, to the axisymmetric flow case.

Overall, the velocity equation for steady axisymmetric flow allows us to analyze and understand the velocity distribution in flows that exhibit symmetry around a central axis. It is a useful tool in various engineering and scientific applications, such as analyzing flows in pipes, nozzles, and rotating machinery.

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The power of a laser beam, measured in watts, gives us information about the rate at which energy is delivered by the beam. However, to compare the number of photons per second delivered by different beams, we need to consider the energy of each individual photon.

The energy of a photon can be calculated using Planck's equation:

E = hf

where E is the energy, h is Planck's constant (approximately 6.626 × 10^-34 J·s), and f is the frequency of the light.

Since both lasers emit light beams with the same power of 1 mW, their energies per second are equal. However, the energy of each individual photon depends on the frequency of the light.

Green light has a higher frequency than red light, which means that each green photon carries more energy than each red photon. Therefore, the green laser pointer delivers fewer photons per second compared to the red laser pointer to maintain the same energy output.

In conclusion, the red laser pointer delivers more photons per second than the green laser pointer, even though both have the same power output of 1 mW.

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Answer:

Explanation:

For every action (or force), there is an equal and opposite action (or force).

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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Answer:

Your answer is 5 m/s

Explanation:

Answer:

light travels in a straight line

Explanation:

the others are wrong

Answer:

which language is these

Explanation:

we only use english , Hindi ,tamil , bengali and Malayalam

please tell us that it is which language. From that we will slove this

Answer:

a = vf-vi / t

a = (54 km / h-36 km / h) / 2

a = 18/2

a = 9ms⁻²

The standard deviation for a five-month period is approximately 15.88 percent.

The standard deviation for a five-month period = Annual standard deviation / Square root of (12 / 5)

Standard deviation for a five-month period = 29% / sqrt(12/5)

= 29% / 1.82574

= 15.88%

Standard deviation is a statistical concept that measures the amount of variation or dispersion in a set of data. It is a measure of how spread out the data points are from the mean or average value.

Standard deviation is often denoted by the symbol σ (sigma) and is calculated using the formula: σ = √[(Σ(xi-μ)²)/n] where Σ is the sum, xi is each individual data point, μ is the mean or average value, and n is the total number of data points.

In physics, the standard deviation is commonly used to analyze experimental data, such as measurements of physical quantities. It helps to determine the precision and accuracy of the measurements and to identify any outliers or anomalies in the data set.

A smaller standard deviation indicates that the data points are closely clustered around the mean, while a larger standard deviation indicates that the data points are more spread out. A standard deviation is an important tool for analyzing and interpreting data in physics and many other fields.

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Answer:

most potential is someone in an airplane. second is position A, third is position c, fourth is position D, fifth is position B and least potential is a person standing on the ground.

Explanation:

hopefully you understand what I wrote

If the frequency of wave 'a' is one-third of that of wave 'b', then the time period of wave a will be three times as compared to the time period of wave 'b'

The frequency of a wave is inversely proportional to its time period, and it is defined as the number of oscillations per second.

which means F ∝ 1/T

If we remove the proportionality we will need to add a constant.

which makes the relation F = k/T

Time period is defined as the total time taken by a wave to complete one oscillation.

Now as per the data we have,

let the frequency of wave b be 'F', and the time period of b be 'T'

\(F_{a}\) = F/3 and \(T_{a}\) = T/3

Arranging the data into the formula we get

\(\frac{F_{a}}{F_{b}} = \frac{T_{b}}{T_{a}}\)

Which gives us \(T_{b}\) = 3\(T_{a}\)

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In this physics demonstration, the ball that is dropped vertically and the one that is launched horizontally will both make contact with the ground at distinct times. The ball that falls vertically will first hit the ground.

This is because the force of gravity acts downward on both balls, causing them to accelerate toward the ground. However, the horizontally launched ball experiences the launch force as well, giving it an initial horizontal velocity. The ball's rate of descent to the ground is slowed by this horizontal velocity, resulting in a longer time spent on the ground.

On the other hand, the vertically dropped ball only experiences the force of gravity because it has no initial horizontal velocity. This indicates that it descends straight down at a steady rate and reaches the ground earlier than the horizontally launched ball.

The rate at which an object's position changes over time is measured by its velocity. It has magnitude and direction because it is a vector quantity. Meters per second (m/s) is the International System of Units (SI) standard for measuring velocity.

Mathematically, velocity can be represented as:

v = x/t, where x is the object's change in position (or displacement), t is the change in time, and v is the velocity.

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