two cyclists, 144 mi apart, start riding towards each other at the same time. one cycles twice as fast as the other. if they meet 3 hr later, at what average speed is each cyclist traveling?

Answer:

Our Age :(

Explanation:

we will always age

Answer:

True

Explanation:

The energy carried by a wave is proportional to its amplitude squared. The larger the strength of the electric and magnetic fields, the more work they can do and the greater the energy the electromagnetic wave carries. A wave's energy is proportional to its amplitude squared (E2 or B2).

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Answer: Something that's vibrating, and you also need medium for those vibrations to start in.

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The lamp descends with the elevator so its acceleration is also 2.9 m/s². Take downward to be the positive direction. Then the net force on the lamp is

∑ F = w - t = ma

where w = mg = weight of lamp, t = tension in the cord, m = mass of lamp, and a = acceleration. Then

mg - t = ma

mg - ma = t

m (g - a) = t

m = t / (g - a)

so that the lamp's mass is

m = (52 N) / (9.8 m/s² - 2.9 m/s²) ≈ 7.5 kg

Answer:

ohhhhhhhhhhhhhhhhjhhhhhhh

Given data

*The given angle is

*The distance traveled is R = 3.28 m

The formula for the horizontal range is given as

*Here g is the acceleration due to gravity

Substitute the values in the above expression as

Thus, the initial velocity is u = 5.98 m/s

The mass of an object if a force of 30 N causes it to accelerate at 1. 5 m/s^2 is 11.33

Newton's second law results in force = mass times acceleration

17 = mass x 1.5

mass = 17/1.5

mass = 11.33

Force is a physical amount that describes the interplay between items. it's far a vector quantity, which means it has both magnitude and course. Force can cause an object to accelerate or change its shape. According to Newton's first law of motion, an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

Newton's second law of motion relates force to acceleration, stating that the acceleration of an object is directly proportional to the force applied to it and inversely proportional to its mass. Newton's third law of motion states that every action has an equal and opposite reaction, meaning that when two objects interact, they exert equal and opposite forces on each other. There are many types of forces, including gravitational, electromagnetic, frictional, and normal.

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The magnetic field of magnet A extends further than the magnetic field of magnet B concludes that magnet A is larger in size and have stronger magnetic field than magnet B.

A magnetic field is a vector field that represents the effect of magnetic effect on moving charges, currents, and magnetic bodies. A charge moving in a magnetic field experiences a force perpendicular to its velocity and magnetic field.

Does size affect the strength of a magnet ? The answer is yes, but it's because the size of a magnet is proportional to its ability to align and produce a stronger magnetic field than smaller pieces of the same material. Because it means there are more domains.

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Answer:

D :)

Explanation:

When an impact causes the car to suddenly change its motion, (D) the people in the car will continue to move in the same direction and at the same speed as before the impact.

Newton's first law of motion states that Unless influenced by an imbalanced force, a body at rest stays at rest, and a body in motion keeps moving in a straight path at a constant pace. This law is commonly known as law of inertia and the resistance of a body to maintain its state of rest is called inertia of rest, same as, the resistance of a body to maintain its state of motion is called inertia of motion.

When a car is moving with certain speed, the car along with the people inside the car is in inertia of motion. In an event of accident, the car comes in rest in no time but the man in the car is still in inertia of motion. So, his body moves forward in the car which may cause injuries. To prevent such injuries, the people inside a car are advised to use safety belts.

So, correct answer  is option (D).

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When you switched from elastic material to string, the effect is that the elasticity of the two materials is different because impulse is a physical vector quantity defined as the product of the average force applied to a body and the time interval. Impulse can also be defined from the variation in the amount of movement suffered by a body.

The use of a stiffer or tighter elastic material caused the duration of the impulse to be shorter, making the maximum force larger. The general rule that can be established is that the force required to produce the same impulse increases with decreasing time.

Impulse is a physical quantity that measures the change in the amount of movement suffered by a body on which a force acts (F) during a time interval (Δt).

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The resonant frequencies for an open organ pipe of fixed length L is  f = nv/2L

Resonant frequencies are those frequencies at which an object vibrates with maximum amplitude when it is set into vibration. In the case of an open organ pipe of fixed length L, the resonant frequencies can be determined using the formula f = nv/2L, where f is the frequency, n is the harmonic number, v is the speed of sound and L is the length of the pipe.

For the first harmonic, n=1, the frequency is f1= v/2L. For the second harmonic, n=2, the frequency is f2= 2v/2L = v/L. For the third harmonic, n=3, the frequency is f3= 3v/2L. Thus, the resonant frequencies of an open organ pipe of fixed length L are given by the multiples of the fundamental frequency f1.

In conclusion, the resonant frequencies of an open organ pipe of fixed length L can be determined using the formula f = nv/2L, where n is the harmonic number. The first harmonic is the fundamental frequency, and the resonant frequencies are given by multiples of the fundamental frequency. This is important to consider when designing and playing musical instruments such as organs.

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Answer:

Chuck's average speed is 60.

The maximum extension  that the falling man produces in the elastic rope is 2.8 meter.

The  maximum force in the elastic rope is 686 Newton.

The potential energy stored in the rope at maximum extension is  960.4 Joule.

The definition of force in physics is: The push or pull on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body.

The maximum extension  in the elastic rope is = 0.8 × (70/20) meter

= 2.8 meter.

The  maximum force in the elastic rope = 70 × 9.8 Newton = 686 Newton.

The potential energy stored = 1/2 × 686 ×  2.8  Joule

= 960.4 Joule.

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Answer:

he is the first person can be 3in and a 6man is the best not a man of the hartford

The position of the boys would determine who will hear the sound

The image is not shown but there is indeed a relationship between the distance from source and the intensity oif the sound which will determine which of the boys that would hear the sound.

The relationship between the distance of the observer and the intensity of sound can be described by the inverse square law, which states that the intensity of a sound wave decreases in proportion to the square of the distance from the source. This means that if the distance between the source of the sound and the observer is doubled, the intensity of the sound decreases by a factor of four.

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Answer:

I Believe the Correct Answer is respiratory system; obtains oxygen so the energy in nutrients can be extracted.

Explanation:

Respiratory System is made for oxygen and involves the Lungs Diaphragm etc.

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The maximum extension force that the cylinder could produce in a regenerative circuit is 2000 lbf.

Explanation:

To find the maximum extension force that the cylinder could produce when it is connected in a regenerative circuit, we need to consider the system pressure relief valve setting and the piston area.

Given:
- System pressure relief valve: 1000 psi
- Piston area: 2 square inches
- Rod area: 0.5 square inches (irrelevant for this problem)

Step 1: Calculate the maximum extension force using the formula: Force = Pressure × Area

Step 2: Substitute the values: Force = 1000 psi × 2 square inches

Step 3: Calculate the force: Force = 2000 lbf (pound-force)

So, the maximum extension force that the cylinder could produce in a regenerative circuit is 2000 lbf.

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Answer:

It is the third-lightest halogen, and is a fuming red-brownliquid at room temperature that evaporates readily to form a similarly coloured gas. Its properties are thus intermediate between those of chlorine and iodine. .

Answer:

The gravity of the Sun keeps the planets in their orbits. They stay in their orbits because there is no other force in the Solar System which can stop them.

Explanation:

The resistance of a circuit that contains two 50.0 Ω resistors connected in series with a 12.0 V battery is 100 Ω. The resistance of the circuit is equal to the sum of the individual resistors when they are connected in series.

In this case, two 50.0 Ω resistors are connected in series, resulting in a total resistance of 100 Ω. Resistance can be defined as the obstruction that electricity faces when it travels through a conductor. The greater the resistance, the less current is allowed to flow through the circuit. The following equation is used to calculate resistance: R = V / IWhere R is resistance, V is voltage, and I is current.

Resistance can also be calculated using Ohm's Law if we know the values of voltage and current. When resistors are connected in series, the total resistance of the circuit is equal to the sum of the individual resistors. This is expressed by the following equation:RT = R1 + R2 + ... + RNWhere RT is the total resistance of the circuit, and R1, R2, and RN are the individual resistors. In this case, the circuit contains two 50.0 Ω resistors connected in series.

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Answer:

Your mass is the same no matter where you go in the universe; your weight, on the other hand, changes from place to place. Mass is measured in kilograms; even though we usually talk about weight in kilograms, strictly speaking it should be measured in newtons, the units of force

In summary, mass is a measure of how much matter an object contains, and weight is a measure of the force of gravity acting on the object. ... The amount of gravity is directly proportional to the amount of mass of the objects and inversely proportional to the square of the distance between the objects.

Explanation:

Answer:

W = 24 J

Explanation:

Given that,

Applied force, F = 60 N

Distance moved, d = 40 cm = 0.4 m

We need to find the work done by the carpenter. We know that,

Work done, W = Fd

Put all the values,

W = 60 N × 0.4 m

= 24 J

Hence, the required work done is equal to 24 J.

Without friction, the car cannot stop...

The intensity of the polarized electromagnetic wave after passing through a polarizing filter with an angle θ = 0° with the plane of polarization will be 12 W/m².

When the angle between the polarizing filter's axis and the plane of polarization is 0°, the intensity of the electromagnetic wave remains the same because the polarizing filter does not block any of the wave's components.

Summary: After passing through a polarizing filter with an angle θ = 0°, the intensity of the polarized electromagnetic wave will still be 12 W/m².

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Answer:

Defined below

Explanation:

Climate change is simply the long term change in the average weather patterns that are associated with the local, regional and global climates of the earth. Climate change is usually driven by human activities like burning of fossils; natural processes like cyclic ocean patterns; external factors like volcanic eruptions.

Answer:

A mass spectrometer uses a magnetic field to separate ions based on their mass-to-charge ratio. The mass of an ion can be calculated from its charge, velocity, and the radius of curvature of its path in the magnetic field, using the formula m = (qBv)/(2πr), where m is the mass, q is the charge, B is the magnetic field, v is the velocity, and r is the radius of curvature.

In this case, the magnetic field is 5.00 mT, the charge of the unknown particle is 2e, and its velocity is 100 m/s. The radius of curvature of the ion's path is measured to be 1.67 mm. Plugging these values into the formula above, we get:

m = (2e * 5.00 mT * 100 m/s) / (2π * 1.67 mm) = 0.24 g/mol

Therefore, the mass of the unknown particle is 0.24 g/mol.

To determine which element the particle is, we can use the periodic table to find an element with a mass-to-charge ratio of 0.24 g/mol. The element with the closest match is magnesium (Mg), which has a mass-to-charge ratio of 24.31 g/mol. Therefore, the unknown particle is likely to be a magnesium ion (Mg²⁺).

Answer:

B. condensation

Explanation:

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Answer:

Condensation (B)

Explanation:

On Edge

The smallest planet among the inner planets is Mercury. It is the closest planet to the sun and has a diameter of approximately 4,880 km, which is just over one-third the size of Earth.

Mercury is also the second densest planet in the solar system, after Earth.

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