A rocket is accelerating upward from the surface of earth with an acceleration of 4. 4 m/s2. On board the rocket is a 0. 060 kg chicken egg. What is the apparent weight of the egg?.

Answer:

Matter, Force

Explanation:

In scientific contexts, mass is the amount of "matter" in an object (though "matter" may be difficult to define) whereas weight is the force exerted on an object by gravity. Objects on the surface of the Earth have weight, although sometimes the weight is difficult to measure.

Answer:

\(0.361\ \text{m}\)

Explanation:

\(f_s\) = Frequency of source = 375 Hz

\(\Delta f\) = Difference between the maximum and minimum sound frequencies = 2.75 Hz

v = Speed of sound in air = 343 m/s

T = Time period = 1.8 s

\(v_m\) = Maximum speed of the microphone

We have the relation

\(\Delta f=2f_s\dfrac{v_m}{v}\\\Rightarrow v_m=\dfrac{\Delta fv}{2f_s}\\\Rightarrow v_m=\dfrac{2.75\times 343}{2\times 375}\\\Rightarrow v_m=1.26\ \text{m/s}\)

Amplitude is given by

\(A=\dfrac{v_mT}{2\pi}\\\Rightarrow A=\dfrac{1.26\times 1.8}{2\pi}\\\Rightarrow A=0.361\ \text{m}\)

The amplitude of the simple harmonic motion is \(0.361\ \text{m}\).

One cylinder of an automotive four-stroke cycle engine completes a cycle every four strokes.An automotive four-stroke cycle engine completes a cycle every four strokes, with the intake stroke drawing in fuel-air mixture, the compression stroke compressing the mixture, the power stroke igniting the compressed mixture, and the exhaust stroke expelling burnt gases. Each stroke takes two full rotations of the crankshaft.

One cylinder of an automotive four-stroke cycle engine completes a cycle every two crankshaft revolutions.
1. Intake stroke: The piston moves downward, drawing in a fuel-air mixture as the intake valve opens.
2. Compression stroke: The piston moves upward, compressing the fuel-air mixture with both valves closed.
3. Power stroke: The spark plug ignites the compressed mixture, causing it to expand and push the piston downward. This generates power.
4. Exhaust stroke: The piston moves upward again, expelling the burnt gases through the open exhaust valve.
These four strokes make up one cycle, which requires two full rotations of the crankshaft.

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Answer: The momentum value for both big rig and sport utility vehicle are the same as 16000 pound mph

Explanation:

Answer:

there is no image to go off of. If you could share that I would be happy to help.

Explanation:

Please share the image!

Answer:

4

Explanation:

Answer:4

Explanation:

on edg

Answer:

4

Explanation:

edge 2021

A prefix is a word part added to the beginning of a word or base word (for example, un-). If the prefix un- is added to helpful, the word is unhelpful.

A suffix is a word part added to the end of a word. For example -  again in the word unhelpful, "un" if the prefix and the suffix would be "ful".

Answer:

C. Newton

Explanation:

hope this helped:)

Answer:

parallel combination of cell

Answer:

The answer is B.

Explanation:

Since they are made up of soft tissues, they decompose become they become fossils.

(a) The speed and direction of travel of the wave is 7 m/s positive x-direction.

(b) The vertical position of an element of the string at t = 0, x = 0.178 m is -3.1 m

(c) The wavelength of the wave is 2 m

(d) The frequency of the wave is 7 Hz

(e) The maximum transverse speed of an element of the string is 16.48 m/s.

The general function of the wave is:

y (x, t) A sin (kx - ωt)

We have, y(x, t) = 0.375 sin (14\(\pi\)t - 2\(\pi\)x + \(\pi\)/4)

So,

a. the speed and direction of travel of the wave:

v = ω/k

= 14/2

= 7 m/s ⇒ positive x-direction

b. The vertical position of an element of the string at t = 0, x = 0.178 m

y = 0.375 sin (-2\(\pi\)x/14 + \(\pi\)/4)

=  -3.1 m

c. The wavelength of the wave:

λ = 4/2

= 2 m

d. The frequency of the wave

f =  ω/2

= 14/2

= 7 Hz

e. The maximum transverse speed of an element of the string:

ωA

= 14π (0.375)

= 16.48 m/s

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Because of its even distribution, dark energy affects the entire universe rather than just a small portion of it locally. This produces a repelling force, which tends to hasten the universe's expansion.

A hypothetical type of energy known as dark energy behaves like the antithesis of gravity by exerting a repellent, negative force. The universe is thought to be expanding at an accelerated rate based on the observational characteristics of far-off type Ia supernovae. Galaxies are drawn together by dark matter while being pushed apart by dark energy. White dwarf supernova explosions, or type Ia supernovas, are used by astronomers to measure the universe's expansion. These explosions were what first revealed dark energy in 1998. Dark energy opposes gravity, so more of it speeds up the universe's expansion and slows down the development of large-scale structure. The Big Bang's energy was responsible for the early expansion of the universe. Since then, gravity and dark energy have been wrestling in the cosmos.

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Answer:

juuhu

Explanation:

jjj

Answer: Both technicians A and B

Explanation:

Based on the scenario in the question, it should be noted that leather shoes offer more protection than canvas shoes and that steel toed boots are essential to protecting your feet from injury.

Leather shoes are more durable and offer better protection than canvas. The strength of the material that they're made from can help in offering extra protection which is necessary in an environment where there's possibility of accidents involving falling objects.

Also, for the people who work in a work environment with many heavy machines and equipments, it is vital to it on protective steel toed boots in order to prevent the workers from feet related injuries.

Answer:

C. Temperature of the water.

Explanation:

An independent variable is defined as the variable which is not affected by any other variable in the experiment while also being the variable that is changed and controlled by only the student.

All other stated variables are constant variables, which remain completely unchanged throughout the experiment, in this case the time stirred and the amount of salt, and amount of water.

In order to get back to the starting point, the man should make a 3rd displacement with magnitude 10.25 m and direction  α degree east of north with tan α = 13/8.

The three consecutive displacements will form a right triangle with the 3rd displacement is the hypotenuse.

Let c = the magnitude of the 3rd displacement.

Using the Pythagorean Theorem:

c = sqrt (13² + 8²)

c = √105

c = 10.25 m

Since the 1st movement is westward, the 2nd one is northward, hence, in order to get back to the starting point the man should move α degree east of north, with

tan α = 13/8

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Answer:

this is because gravity is pulling both objects down to the ground and hence they are falling. Both objects have the same mass and weight but the resultant force of the paper ball is smaller than that of the unfolded paper. The unfolded paper has a larger surface area and so a larger force is acted upon it, meaning there is more air resistance. This shows that the paper ball falls faster than the unfolded paper.

Explanation:

hope this helps!!

The force against motion can make the air resistance higher. For the flat sheet of paper the gravitational force is less because of its surface area and lower centre of mass.

Force is an external agent that changes a body from the state or rest or motion. Higher the mass of the body at rest higher will be the force applied to move it on.

The gravitational force by earth make every falling body hit to the ground. A plane sheet or paper have more surface area through which the air can travel easily. Hence, the air resistance to its motion will be higher and it takes more time to fall.

In the case of folded paper as the centre of mass is increasing here and its experience more gravitational pull make opposes the force by air resistance and it hit the ground fastly upon falling than the flat sheet.

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The path length difference required for constructive interference to occur between two coherent sources emitting 2.0-m wavelength waves in phase is 3.5 m.

Constructive interference between two waves occurs when the path length difference is equal to an integer multiple of the wavelength. In this case, the wavelength is 2.0 m. To achieve constructive interference, the path length difference should be an integral multiple of 2.0 m. Among the given options, only option c) 3.5 m satisfies this condition, as it is 1.5 times the wavelength.

On the other hand, destructive interference occurs when the path length difference is equal to half an integer multiple of the wavelength. In this case, the options that satisfy this condition are b) 2.0 m and e) 8.0 m. Both of these path length differences are equal to the wavelength, which is half the wavelength.

Therefore, the correct answer is c) 3.5 m for constructive interference, and both b) 2.0 m and e) 8.0 m for destructive interference.

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Answer:

the answer is 352.8m

Explanation:

Since the gravitational constant is denoted as g

\(g = 9.8 \: \frac{m}{ {s}^{2} }\)

and the ball needed 6 seconds to land, so we can calculate the height of the building as:

\(h = 9.8 \: \frac{m}{ {s}^{2} } \times {(6s)}^{2} = 9.8 \: \frac{m}{ {s}^{2} } \times 36 {s}^{2} = 352.8m\)

Using Dr. Lopez's study on the effects of physical discomfort on attention as an example, we find that an interaction is often described by saying "it depends" because it reflects the complexity and variability of the relationship between different factors in a study.

When we say "it depends," we are acknowledging that the effect of one factor may vary depending on the level or presence of another factor. In this study, the interaction between the duration of hand immersion and the belief about pain relief may influence the participants' attention during the task.

For example, it is possible that participants who kept their hand in the water for four minutes and believed they had pain relief may exhibit higher attention levels compared to those who kept their hand in the water for two minutes with no pain relief belief.

On the other hand, participants who kept their hand in the water for two minutes with pain relief belief might perform similarly to those who kept their hand in the water for four minutes with no pain relief belief.

In this scenario, the interaction between the duration of hand immersion and the belief about pain relief impacts the participants' attention differently. The effect of one factor depends on the level or presence of the other factor, resulting in different outcomes.

Describing an interaction as "it depends" reminds us that the relationship between variables is not always straightforward or linear. It highlights the importance of considering multiple factors and their potential interactions to fully understand and interpret the findings of a study.

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Answer: Distance traveled is 5.5 yards per min × 5 min = 27.5 yards

Explanation: just is

The current across 4 ohm is 2 ampere.

The potential difference across 10 ohm is 10 volt.

The rate of electron passage in a conductor is known as electric current. The ampere is the electric current's SI unit.

Let the unknown resistance is 10 ohm, then equivalent resistance of the circuit = 4 ohm + 10 ohm║10 ohm

=  4 ohm + { 10 ×10/(10+10)} ohm

= 9 ohm.

Then current passing through 4 ohm = V/R

= 18/9 ampere

= 2 ampere.

The potential difference across 10 ohm = \(ir_{eq\)

= 2*{(10*10/(10+10)} volt.

= 10 volt.

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Answer:

Ff = M g sin 5       where Ff is the force of friction opposing motion

Ff = .80 kg * 9.80 m/s^2 * .087 = .682 N

(note sin θ = θ     5 / 57.3 = .087 for angles less than about 10 deg)

Explanation:

F = 40 N

d = 3 m

Work

W = Fd

where: W - work, J

F - force, N

d - distance, m

W = Fd

W = (40 N)(3 m)

W = 120 Nm or 120 J

Answer:

=0.15m

Explanation:

l

C

​

=l

Al

​

ρ

C

​

ρ

Al

​

​

=200∗

3.5∗10

−5

2.65∗10

−8

Answer:

Particles of electromagnetic radiation exhibit wave behavior

Electromagnetic radiation includes visible light

The specific amount of energy a particular photon possesses is called a quantum

Explanation:

Electromagnetic waves propagate through space perpendicularly to a oscillating magnetic and electric field producing it. Both of these fields oscillates perpendicular to one another, and to the direction of propagation of the wave.

Electromagnetic waves exhibit both wave and particle light behaviors, this phenomenon is known as the wave-particle duality.

Visible light is part of the broad spectrum of waves in the electromagnetic wave spectrum. And each particle of an electromagnetic wave is known as a photon, and they carry energy in discrete amounts called quantum.

Electromagnetic radiation occurs when electric and magnetic fields emit radiations that travel in waves. Given this explanation, the options that correctly describe electronic radiation are;

Electromagnetic radiation is used to explain the disturbance that occurs when the electric and magnetic fields travel at the speed of light.

There are different frequencies of radiation that are emitted in the process. Some have high and low energies.

The radio waves, ultraviolet rays, and visible light are all examples of electromagnetic radiation

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Answer:

she saw it in a movie

Explanation:

she said her mom and her saw it in Step up 3 and fell in love