When a golf club hits a 0.0459 kg ball at rest, it exerts a 2380 N force for 0.00100 s. What is the speed of the ball afterwards? (Unit = m/s)

Answer:

So your gonna have to calculate the speed

Explanation:

Answer:

D) 42.87 m/s

Explanation:

First, find the time it takes him to land.  Given in the y direction:

Δy = 60 m

v₀ = 0 m/s

a = 9.8 m/s²

Find: t

Δy = v₀ t + ½ at²

60 m = (0 m/s) t + ½ (9.8 m/s²) t²

t = 3.5 s

Next, find the speed needed to travel the horizontal distance in that time.  Given in the x direction:

Δx = 60 m

a = 0 m/s²

t = 3.5 s

Find: v₀

Δy = v₀ t + ½ at²

150 m = v₀ (3.5 s) + ½ (0 m/s²) (3.5 s)²

v₀ = 42.87 m/s

Answer:

1/5 km/min

Explanation:

the formula for velocity is distance/time

so if i plug in the distance and time i get 5/25 or 1/5

Hope this helps!

The rocket should be launched about 12.3 meters to the left of the hoop to pass through it.

First, we need to calculate the time it takes for the rocket to reach the height of the hoop. We can use the kinematic equation:

y = v₁t + 1/2a*t²

Where y is the vertical displacement (20 m), v₁ is the initial vertical velocity (0 m/s), a is the acceleration due to gravity (-9.8 m/s²), and t is the time it takes to reach the height of the hoop.

Plugging in the values, we get:

20 m = 0 + 1/2*(-9.8 m/s²)*t²

Solving for t, we get:

t = √(40/9.8) ≈ 2.02 s

Now we can use the horizontal distance formula:

d = v₁t + 1/2a*t²

Where d is the horizontal distance, v₁ is the initial horizontal velocity (3.0 m/s), and a is the horizontal acceleration due to the rocket engine (unknown).

We know that the vertical thrust of the rocket engine (8.0 N) is equal to the weight of the rocket, so we can find the horizontal acceleration using:

a = F/m = 8.0 N / 0.5 kg = 16 m/s²

Plugging in the values, we get:

d = 3.0 m/s * 2.02 s + 1/2 * 16 m/s² * (2.02 s)²

d ≈ 12.3 m

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Her angular velocity after pulling her arms in is 15.625 rad/s.

To solve this problem, we need to use the conservation of angular momentum. The initial angular momentum (L_initial) is the product of the initial rotational inertia (I_initial) and the initial angular velocity (ω_initial). The final angular momentum (L_final) is the product of the final rotational inertia (I_final) and the final angular velocity (ω_final). The conservation of angular momentum states that L_initial = L_final.

Given:
I_initial = 2.50 kgm^2
ω_initial = 10.0 rad/s
I_final = 1.60 kgm^2

First, calculate the initial angular momentum:
L_initial = I_initial × ω_initial = 2.50 kgm^2 × 10.0 rad/s = 25.0 kgm^2/s

Since L_initial = L_final:
L_final = 25.0 kgm^2/s

Now, find the final angular velocity (ω_final):
ω_final = L_final / I_final = 25.0 kgm^2/s / 1.60 kgm^2 = 15.625 rad/s

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The magnitude will be twice the initial velocity, as it has traveled back to its starting point in the opposite direction. The magnitude of the electron's velocity when it returns to its starting point in the opposite direction of its initial velocity can be calculated using the conservation of energy principle. When the electron reaches its maximum displacement from its starting point, it has maximum potential energy and zero kinetic energy.

Assuming the initial velocity of the electron is v, the maximum displacement from the starting point is d, and the electric potential energy of the electron is E, we can write the conservation of energy equation as:
E = (1/2)mv^2 + qVmax = (1/2)mvmax^2
Where m is the mass of the electron, q is its charge, Vmax is the maximum electric potential difference between the starting point and the maximum displacement point, and vmax is the velocity of the electron when it reaches its starting point.
Solving for vmax, we get:
vmax = sqrt(2qVmax/m)
Since the electron returns to its starting point in the opposite direction of its initial velocity, its final velocity will be -v.
|-v| = |-(sqrt(2qVmax/m))| = sqrt(2qVmax/m)
The magnitude of an electron's velocity when it returns to its starting point in the opposite direction of its initial velocity can be calculated using the formula:
v = 2 * u

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Water travels through a pipe at 10.0 m/s. The pipe contracts from a cross-sectional area of 2.1 m² to an area of 0.262 m² the speed of the water in the second part of the pipe is 80.4 m/s.

To find the speed of the water in the second part of the pipe, we can use the principle of conservation of mass, which states that the mass of fluid flowing through a pipe per unit time remains constant, assuming no sources or sinks. This means that the product of the cross-sectional area of the pipe and the velocity of the fluid remains constant.

Using this principle, we can write:

A₁v₁ = A₂v₂

where A₁ and v₁ are the cross-sectional area and velocity of the water in the first part of the pipe, and A₂ and v₂ are the corresponding values in the second part of the pipe.

We are given that A₁ = 2.1 m², v₁ = 10.0 m/s, and A₂ = 0.262 m². Solving for v₂, we get:

v₂ = (A₁/A₂) v₁ = (2.1/0.262) x 10.0 = 80.4 m/s

Therefore, the speed of the water in the second part of the pipe is 80.4 m/s.

The speed of the water in the second part of the pipe is much higher than in the first part due to the smaller cross-sectional area of the pipe, which leads to an increase in the fluid velocity according to the principle of conservation of mass.

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Explanation:

Thoe masks don't necciarlly help u from getting thr virus they prevent u from spreading so if everyone wears one then it slowely stops the spread

the masks help because it prevents breathing on people.

Our maximum height will be equal to V 2 squared divided by 2 G, or 1 63 m.

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Answer:

Explanation:

A capacitor is an electronic component that stores and releases electrical energy. It consists of two conductive plates separated by an insulating material called a dielectric. When a voltage is applied across the plates, charge accumulates on them, creating an electric field between the plates.

The capacitance of a capacitor is a measure of its ability to store charge. It is typically represented by the symbol 'C' and is measured in farads (F). In your case, you mentioned a 55-μF (microfarad) capacitor, indicating its capacitance value.

When a voltage waveform is applied across a capacitor, the capacitor charges and discharges in response to the changes in voltage. The rate at which the capacitor charges and discharges depends on the capacitance and the resistance in the circuit

Since there is no figure provided in the text, I am unable to reference it for the specific details of the voltage waveform. However, I can explain the general behavior of a capacitor when a voltage waveform is applied.

When a voltage waveform is applied across a capacitor, the capacitor charges and discharges in response to the changes in voltage. The behavior of the capacitor is determined by its capacitance, which is given as 55 μF in this case.

As the voltage waveform varies, the capacitor stores and releases electrical charge. During the rising portion of the waveform, the capacitor charges and accumulates energy. During the falling portion, the capacitor discharges and releases the stored energy.

The exact behavior and characteristics of the voltage waveform and the charging/discharging process depend on the specific shape and frequency of the waveform. Without the specific details of the voltage waveform provided in the figure, it is challenging to provide a more detailed analysis.

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Answer:

Using a template feature can streamline the creation and setup of radius. Templates are pre-designed layouts that can be easily customized to fit a particular need. By using templates for creating radius, one can save time and effort by not having to start from scratch every time. Templates also ensure consistency in design and functionality, which is crucial for user experience. Additionally, templates can be easily modified and updated, ensuring that the radius remains up-to-date with the latest design trends and technological advancements. Therefore, utilizing templates feature can significantly improve the efficiency and productivity of radius creation and setup.

Explanation:

I apologize if I did not answer this question correctly. If you would like a different answer or you want more details, please comment and let me know :) have a good day/night, wherever you are!!!

Answer:

-8m/s

Explanation:

v=wavelength*f=-2*4=-8m/s

Answer:

child i dont even know the answer for this question

Explanation:

As two tectonic plates drift apart at a divergent boundary, mantle material erupts through the gap to generate new crust. Along these zones, known as spreading centers, earthquakes tend to be on the smaller side.

A divergent boundary is produced when two tectonic plates begin to move in opposite directions with respect to one another. New oceanic crust is formed when magma (molten rock) emerges from the Earth's mantle and cools rapidly along these borders, triggering frequent earthquakes. An oceanic ridge forms when the lithosphere is lifted by a rising convection current following the formation of a divergent boundary beneath the ocean floor.

When the lithosphere is subjected to forces of extension, a deep crack forms. A decrease in pressure on the extremely hot mantle material below occurs as the crack opens. It then responds by melting, resulting in the influx of fresh magma into the crack. Magma cools and hardens, and the cycle begins again.

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The solution to the assessment problem can be found by representing each of the coupled inductors as a set of ideal transformers.

This allows us to apply the concepts of mutual inductance and coupling coefficient to determine the overall behavior of the circuit. By breaking down the coupled inductors into their individual components, we can then apply standard circuit analysis techniques to solve for the voltage, current, and power in the system. It is important to note that the accuracy of this approach may be limited by the assumptions made about the behavior of the transformers and the accuracy of the models used to represent them.

In many practical applications, this method can provide a useful approximation for understanding and designing complex systems.

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Answer:

1) 10 m/s  2) 14.1 m/s  3) 6.7 m  4) 11.25 m  5) 4.5 m/s  6) 12 joules

Explanation:

When using the lens equation, a negative value as the solution for d baseline i indicates that the image is Virtual. The correct option is B.

When a light strikes on a shiny surface, it reflects back the light ray in the same medium. The phenomenon is called reflection and the ray is called the reflected ray.

From the Len's maker formula, e have

1/f = 1/u + 1/v

where f = radius of curvature /2

So, the negative value as the solution for d baseline i indicates that the image is Virtual.

Thus, the correct option is B.

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Answer:

east

Explanation:

15km east

_______________

              X________

                    8km west

so you are where the xX is so you are still in the eastward direction

In order to find how many centimeters are in 15 kilometers, we can use the following conversion rate:

1 km = 100,000 cm.

So, for 15 kilometers, we have:

Therefore the correct option is C.

Your eye as well as the spider's image in the mirror are 1.28 meters apart.

A mirrors is a luminance that reflects light and creates an actual or fictitious picture. An device that returns an image is a reflector or looking glass, which reflects the image of the object when it is positioned in front of it. When focused through an eye or camera lens, light that reflects off a mirror will reveal an image of everything that was in front of it. Mirrors reflect light at an equal but opposite angle, reversing the orientation of the image.

The image distance is equal to the object distance:

Distance between the spider and mirror = 40cm

So, the image is formed 40cm inside the mirror

Distance between the person and mirror = 68cm

Distance between the image and person = 68+40= 128cm

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The ball will continue to advance at a speed of 2.0 m/s once it rolls off the edge of the table until it lands on the ground after 0.45 seconds.

The ball is behaving just like it has been dropped. Nature is unconcerned by the fact that it is also advancing.

D=1/2gt2 and T=√2d/g

By entering the table's height and the gravitational acceleration, we can calculate the time in seconds:

t= √2(1.5m)/9.8m⋅s−2 = 0.553s

So, for a little bit longer than a half-second, the ball will be in the air (and thus able to move ahead). To find the distance travelled, we simply reverse the speed equation, s=dt, and insert in the speed and time:

d= 20m/s(0.553s)= 1.11m

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A single gene mutation, several gene mutations, a combination of gene mutations and environmental variables, or damage to chromosomes (changes in the number or structure of complete chromosomes) can all result in genetic illnesses.

Mutations may have an impact on an organism by altering its phenotype, or they may have an impact on the way DNA codes the genetic information (genotype). When mutations take place, they may be completely fatal or they may result in the termination (death) of an organism.

Genetic illnesses result from changes or anomalies in an organism's genome. A gene mutation can affect one or more genes, leading to a genetic illness.

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Answer:

An object is said to be rated 1 Watt when it performs a work worth 1 Joule  in 1 second.

Explanation:

We know that power is rate of doing work or Work done in a given period of time.

Power is simply given by the formula:

Power=(Work)/(Time)

The SI unit of Power, Work and Time are Watts, Joules and Seconds respectively.

Hence, 1 Watt=1 Joule/ 1 Second

Answer:

Answer: Elementary Entities are any of several entities, such as electrons, neutrons, or protons, that are less complex than atoms and are regarded as the constituents of all matter.

To find the number of turns of wire necessary to obtain a self-inductance of 1.15 H for a toroidal solenoid of square cross-section with inner and outer radii of 3.0 and 4.0 cm, we can use the formula for the self-inductance of a toroidal solenoid:

L = μ₀N²πr² / (2πr + πd)

where L is the self-inductance, N is the number of turns of wire, r is the mean radius (the average of the inner and outer radii), d is the cross-sectional diameter (in this case, equal to the side length of the square cross-section), and μ₀ is the permeability of free space (4π x 10^-7 H/m).

Plugging in the given values, we get:

1.15 = (4π x 10^-7)(N²π(0.035+0.04)²) / (2π(0.04) + π(0.01))

Simplifying, we get:

1.15 = 1.053 x 10^-6 N²

Solving for N, we get:

N = √(1.15 / 1.053 x 10^-6) ≈ 1093 turns

Therefore, approximately 1093 turns of wire are necessary to obtain a self-inductance of 1.15 H for the given toroidal solenoid.
To find the number of turns of wire necessary for a toroidal solenoid with a square cross-section, inner radius of 3.0 cm, outer radius of 4.0 cm, and a self-inductance of 1.15 H, we can use the formula for the self-inductance of a toroidal solenoid:

L = (μ₀ * N² * A * h) / (2 * π * R)

where:
L = self-inductance (1.15 H)
μ₀ = permeability of free space (4π × 10⁻⁷ H/m)
N = number of turns of wire (unknown)
A = cross-sectional area of the solenoid (square cross-section)
h = height of the solenoid (which is the difference between the outer and inner radii, 4.0 cm - 3.0 cm = 1.0 cm)
R = average radius of the solenoid (which is the average of the inner and outer radii, (3.0 cm + 4.0 cm) / 2 = 3.5 cm)

First, convert the measurements from cm to meters:
h = 1.0 cm * 0.01 m/cm = 0.01 m
R = 3.5 cm * 0.01 m/cm = 0.035 m

Rearrange the formula to solve for N:

N = sqrt((2 * π * R * L) / (μ₀ * A * h))

Since A is not provided, you will need the value of the square cross-sectional area to calculate the exact number of turns (N). Once you have that value, plug it into the formula, and solve for N.

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Answer:

A siphon is a tube that allows liquid to travel upward, above the surface of the origin reservoir, then downwards to a lower level without using a pump. When a certain amount of water moves over the bend in the siphon, gravity pulls it down on the longer leg lowers the atmospheric pressure in the bend of the siphon.

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Explanation:

Answer:

1.43 J

Explanation:

PE = mgh = (0.04 kg)(9.80 m/s2)(3.6576 m) = 1.43 J

You have to convert g to kg, and feet to m