Given the frame shown below with L
1
​
=8−m,L
2
​
=12−m,L
3
​
=8−m,h=10−m, and P=36−kN. Assume all columns are fixed at the bottom. The approximate shear force (V) in kN at end F in beam EF is mostly near 7.5 downward 6 upward 3 downward 7.5 upward 6 downward 3 upward

Answer:

20 km

Explanation:

You answered the question already. 60 min = an hour. Reread your question :)

Answer:

Answer:

spring force = -K × x , where X is elongation or compression in the spring. ( -) sigh shows that the spring force is opposite to the applied force to cause extension.

Potential energy = work done by spring force = integration of Force.

integrate the force (-K × x) over distance 0 to x .

U = 1/2 K × X^2 ( for elongation)

U = -1/2 × K × X^2 ( for compression)

To find the final velocity of the block, you can use the formula for linear momentum:

p = m * v

where p is the momentum, m is the mass of the object, and v is the velocity.

Since the block starts from rest, its initial velocity is zero. The final velocity can be found by rearranging the equation to solve for v:

v = p / m

Plugging in the given values, you get:

v = (80.0 N * 5.0 m) / 5.0 kg = 16.0 m/s

So the final velocity of the block is 16.0 m/s.

Explanation:

Minimum force means that the force should be applied at a 90° angle from the wrench.

40.0Nm / (0.30m) = 133.33N.

The mimumum force is 133.33N.

Answer:

False

Explanation: not even light can escape through the event horizon from the black hole. At its center, each black hole is thought to have a singularity, a point of infinite density, and zero volume.

Answer:

29.69 m/s

Explanation:

From the question given above, the following data were obtained:

Height (h) = 45 m

Velocity (v) =...?

Next, we shall determine the time taken for the ball to get to the ground. This can be obtained as follow:

Height (h) = 45 m

Acceleration due to gravity (g) = 9.8 m/s²

Time (t) =?

h = ½gt²

45 = ½ × 9.8 × t²

45 = 4.9 × t²

Divide both side by 4.9

t² = 45/4.9

Take the square root of both side

t = √(45/4.9)

t = 3.03 s

Finally, we shall determine the velocity with which the ball hits the ground. This is illustrated below:

Initial velocity (u) = 0 m/s

Acceleration due to gravity (g) = 9.8 m/s²

Time (t) = 3.03 s

Final velocity (v) =.?

v = u + gt

v = 0 + (9.8 × 3.03)

v = 0 + 29.694

v = 29.694 ≈ 29.69 m/s

Therefore, the ball hits the ground with a velocity of 29.69 m/s.

Answer:

The center of mass is a position defined relative to an object or system of objects.

Explanation:

Answer:

D. 0.60 um

Explanation:

Given the following data;

Frequency = 5.0x10^14 Hz

Speed = 3 x 10^8 m/s

To find the wavelength;

Wavelength = speed/frequency

Substituting into the equation, we have

Wavelength = 3 x 10^8/5.0x10^14

Wavelength = 6 × 10^7m

But 1 meter (m) = 1000000 micrometer (um)

6 × 10^7 meter = 0.6 micrometer.

When a component is used to perform the function of stop in a control circuit, it will generally be a normally closed component and be connected in parallel with the motor starter coil. Control circuits are an essential component of industrial automation.

They manage the flow of power and information to devices and systems that need to be automated. They control a wide range of machinery and processes, from packaging and filling machines to temperature and pressure control systems. Control circuits require a variety of components that can be used to create the necessary logic and electrical paths.

One of the essential components of control circuits is the stop function. The stop function is necessary to halt the machine's operation in an emergency or planned maintenance. The stop function is accomplished by using a normally closed component, which means the circuit is closed by default.

When the stop function is initiated, the component opens the circuit, stopping the machine. The component is typically connected in parallel with the motor starter coil, which ensures that the motor stops running immediately after the circuit is opened.

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The maximum value of the electric field in an electromagnetic wave is 2.0 V/m. What is the maximum value of the magnetic field in that wave 6.7 nT.So option C is correct.

The maximum value of the magnetic field in an electromagnetic wave can be determined using the relationship between the electric field (E) and magnetic field (B) in a vacuum:

B = E / c

Where c is the speed of light in a vacuum, approximately 3.0 x 10^8 m/s.

Given that the maximum value of the electric field (E) is 2.0 V/m, we can substitute these values into the equation to calculate the maximum value of the magnetic field (B):

B = (2.0 V/m) / (3.0 x 10^8 m/s)

B ≈ 6.7 x 10^(-9) T

Converting the result to proper units, we can express it as 6.7 nT (nanotesla).Therefore, the correct option is 6.7nT.

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If you've ever witnessed two individuals attempting to converse at the same time, you know how crucial listening is. In reality, taking turns talking and making sure everyone feels heard are key components of a good conversation.

Eccentricity is frequently linked to brilliance, intellectual prowess, or inventiveness. The person's unconventional behavior can be interpreted by others as the outward manifestation of their special intelligence or creative urge.

When you describe someone as eccentric, you're referring to their outlandish behavior and their unconventional habits or beliefs. He is a peculiar individual who enjoys donning a hat and dark glasses. Odd, unusual, and bizarre are synonyms.

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Answer:

positions of motion is the answer as moving is a motion

Answer: A

Explanation:

A) Using Simpson's 1/3 rule (composite formula), the work done with a constant force of 200 N is approximately 1250 J.

B) Using the MATLAB function trapz, the work done is approximately 7750 J.

Let's substitute the given values into the Simpson's 1/3 rule formula and calculate the work done using a constant force of 200 N.

A) Force (F) = 200 N (constant for all t)

Velocity (v) = 4t (0 ≤ t ≤ 5) and v = 20 + (5 - t)² (5 ≤ t ≤ 15)

Step size (h) = 0.25

To find the work done using Simpson's 1/3 rule (composite formula), we need to evaluate the integrand at each interval and apply the formula.

Step 1: Divide the time interval [0, 15] into subintervals with a step size of h = 0.25, resulting in 61 equally spaced points: t0, t1, t2, ..., t60.

Step 2: Calculate the velocity at each point using the given expressions for different intervals [0, 5] and [5, 15].

For 0 ≤ t ≤ 5: v = 4t For 5 ≤ t ≤ 15: v = 20 + (5 - t)²

Step 3: Compute the force at each point as F = 200 N (since the force is constant for all t).

Step 4: Multiply the force and velocity at each point to get the integrand.

For 0 ≤ t ≤ 5: F * v = 200 * (4t) For 5 ≤ t ≤ 15: F * v = 200 * [20 + (5 - t)²]

Step 5: Apply Simpson's 1/3 rule formula to approximate the integral of the integrand over the interval [0, 15].

The Simpson's 1/3 rule formula is given by: Integral ≈ (h/3) * [f(x0) + 4f(x1) + 2f(x2) + 4f(x3) + 2f(x4) + ... + 4f(xn-1) + f(xn)]

Here, h = 0.25, and n = 60 (since we have 61 equally spaced points, starting from 0).

Step 6: Multiply the result by the step size h to get the work done.

Work done: 1250 J

B) % Define the time intervals and step size

t = 0:0.25:15;

% Calculate the velocity based on the given expressions

v = zeros(size(t));

v(t <= 5) = 4 * t(t <= 5);

v(t >= 5) = 20 + (5 - t(t >= 5)).^2;

% Define the force value

F = 200;

% Calculate the work done using MATLAB's trapz function

\(work_t_r_a_p_z\) = trapz(t, F * v) * 0.25;

% Display the result

disp(['Work done using MATLAB''s trapz function: ' num2str(\(work_t_r_a_p_z\)) ' J']);

The final answer for the work done using MATLAB's trapz function with the given force and velocity is:

Work done using MATLAB's trapz function: 7750 J

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Answer:

the distance traveled by the dog is 27.18 m.

Explanation:

Given;

initial velocity of the dog, u = 7.92 m/s

final velocity of the dog, v = 3.22 m/s

time of motion, t = 4.88 s

The distance traveled by the dog is calculated as;

\(s = (\frac{v+u}{2} )t\\\\s = (\frac{7.92 + 3.22}{2} )(4.88)\\\\s = 27.18 \ m\)

Therefore, the distance traveled by the dog is 27.18 m.

About stars:

1. The two most common elements in stars are hydrogen and helium. Hydrogen is the most abundant element in the universe, and helium is the second most abundant.

2. Two reasons why one star may appear brighter than another star are its distance from Earth and its intrinsic brightness or luminosity. A star that is closer to Earth will appear brighter than a star that is farther away, even if they have similar intrinsic brightness. Similarly, a star with higher intrinsic brightness will appear brighter than a star with lower intrinsic brightness, assuming they are at the same distance.

3. The color of a star is related to its temperature through a property called blackbody radiation. As the temperature of a star increases, the peak wavelength of its emitted light shifts towards shorter wavelengths. This means that hotter stars emit more blue and violet light, giving them a bluish color. Cooler stars emit more red and orange light, giving them a reddish color.

4. A star produces energy through a process called nuclear fusion. In the core of a star, hydrogen atoms combine to form helium atoms through a series of nuclear reactions. This process releases a tremendous amount of energy in the form of light and heat. The energy is generated by the conversion of a small fraction of the mass of the hydrogen atoms into energy according to Einstein's famous equation, E = mc².

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Responder:

Explicación:

La fórmula se utiliza para convertir grados Celsius (° C) en grados Fahrenheit (° F).

x ° C = (y ° F - 32) × 5/9.

Convertir 24 ° C a Fahrenheit

24 = (y ° F - 32) × 5/9.

24 * 9 = 5 (y ° F-32)

216 = 5 años ° F-160

5 ° F = 216 + 160

5 ° F = 376

y ° F = 376/5

y ° F = 75.2

24 ° C = 75.2 ° F

Para convertir Kelvin a Fahrenheit, usaremos la expresión;

(K - 273.15) × 9/5 + 32

Dado K = 24kelvin

24K a ° F = (24− 273.15) × 9/5 + 32

= -249.15 (9/5) + 32

= -448.47 + 32

= -416.47 ° F

24K = = -416.47 ° F

Statement:

Mateo moved the teacher's table with 50 N of force for 2 meters.

To find out:

The work done in pushing the table.

Solution:

Answer:

The work done in pushing the table is 100 J.

Hope it helps.

If you have any query, feel free to ask.

Answer:

120

Explanation:

KE = (mv^2)/2

= ((0.15)(40)^2)/2

= ((0.15)(1600))/2

= 240/2

Christophe is trying to shape the light in order to get the desired result in his photograph. He is looking to identify where the light sources are and how their intensity, direction, and quality will affect the image. He might adjust the Kelvin temperature or sharpen the edges of the subject, or even use a light modifier to fade the backdrop.

Light is a powerful tool in photography that can be used to create stunning images. By understanding how to shape light, photographers can capture the perfect shot and bring their vision to life. This essay will explore the various ways light can be manipulated to produce the desired results in photography, from adjusting the Kelvin temperature to fading the backdrop and more.

To begin, it is important to recognize the various light sources that can be used to shape the image. Natural light is one of the most common sources of light used in photography, and it can be manipulated in a variety of ways. Photographers can adjust the Kelvin temperature to create the desired mood, or they can use a light modifier to soften the light, creating a more natural look. Additionally, by understanding the direction of the light and where it falls on the subject, photographers can create a more dynamic and interesting image.

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Answer:

I believe A, if I'm wrong please inform me!!!

Explanation:

Answer:

v = 81.394102980499 m/s

Explanation:

v = sqr(u^2 + 2as)

v - final velocity

u initial velocity

a acceleration

s displacement

Answer:

668 000 kJ

Explanation:

2000 kg = 2000 000 gm

2000000 gm * 334 J/g  = 668 000 000 J   = 668 000 kJ

Answer:

3

Explanation:

\(\\ \sf\bull\dashrightarrow Momentum=Mass\times Velocity\)

\(\\ \sf\bull\dashrightarrow Momentum=2200(55)\)

\(\\ \sf\bull\dashrightarrow Momentum=121000kgm/s\)

A Stable Ride is the main characteristic of a catamaran hull.

Catamaran Hull is a multi-hulled watercraft, which have two parallel hulls of equal size.

The characteristic of a catamaran hull are as follows:

Therefore, Catamarans has a stable ride, according to their characteristic.

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Answer:

A. Energy streaming through space toward Thomas

Explanation:

its correct did it on a test

This is an example of regulatory environmental force.

A tanning bed is a place where the skin is darkened. The term tanning has to do with the process of the darkening of the skin. It could bee achieved naturally when a person is exposed to the ultraviolet radiation from the sun. As such, a person that has a white skin could make his/her skin dark by tanning.

Now, the proposed law in new jersey that would ban the use of tanning beds by anyone under the age of 18 is a restriction that  would be an example of regulatory environmental force.

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the normal force on the car when it is at the bottom of the track (point A) is approximately 12.34 N. To determine the normal force on the car when it is at the bottom of the track (point A), we need to consider the forces acting on the car at both the top and bottom of the circle.

At the top of the track (point B), there are two forces acting on the car: gravitational force (weight) and the normal force exerted by the track. The net force at point B is the centripetal force required to keep the car moving in a circle:
F_net_B = F_gravity - F_normal_B = m * a_c_B
At the bottom of the track (point A), the gravitational force and the normal force exerted by the track both act in the same direction. The net force at point A is also the centripetal force:
F_net_A = F_gravity + F_normal_A = m * a_c_A
Since the car is moving at a constant speed, the centripetal acceleration is the same at points A and B:
a_c_B = a_c_A

Thus, we can equate the two expressions for centripetal force:
m * a_c_B = m * a_c_A
\(F_gravity - F_normal_B = F_gravity + F_normal_A\)We know the mass (m = 0.630 kg), the normal force at point B (F_normal_B = 6.00 N), and the gravitational force \((F_gravity = m * g = 0.630 kg * 9.81 m/s² ≈ 6.17 N)\). Now, we can solve for the normal force at point A (F_normal_A):
\(F_normal_A = 2 * F_gravity - F_normal_B = 2 * 6.17 N - 6.00 N ≈ 12.34 N\)

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