it is possible to view the moon in first-quarter phase the day after a total lunar eclipse. group of answer choices true false

The net force on an object with velocity=0 will depend on the given conditions and forces acting on the object. Based on the options provided:

• Net force will be the force of gravity on the object.

If the only force acting on the object is gravity, then the net force would indeed be the force of gravity on the object. In this case, the net force would not be zero unless the force of gravity on the object is also zero (which would require a unique scenario, such as being at the exact center of the Earth).

• Not force 0 only if the object has no mass (mass = 0).

If the object has no mass, then the net force would be zero since force is proportional to mass. However, this would be an uncommon scenario as most objects have non-zero mass.

• Net force = 0

If there are no forces acting on the object or if the forces acting on the object cancel each other out, then the net force would be zero.

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The ball travelled approximately 18.7 meters.

We can use the following kinematic equation to calculate the distance the ball travelled:

v² = u² + 2as

Where

Substituting the given values, we get:

15² = 1² + 2(6)s

225 = 1 + 12s

224 = 12s

s = 224/12

s ≈ 18.7

Therefore, the ball travelled approximately 18.7 meters.

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Answer:

mass kg velocity m/s kinetic energy j

Spectral shifts are caused by the movement of the spectrum to shorter wavelengths, while the Big Bang Theory is supported by spectra analyses because we can determine how spectra of electromagnetic radiation from stars changes depending on their relative position.

The Big Bang Theory is a widely accepted model in physics about the boring of the Universe, which it is believed occurred though a big explosion, while light spectra refers to the observation of the electromagnetic radiation emitted by stars.

Therefore, with this data, we can see that the Big Bang Theory obtains supportive evidence from the emission of electromagnetic spectra of stars.

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The correct option is d. -2.738 V.

We know that, E°cell = E°cathode – E°anodeIn this question, we need to calculate the potential of an aluminum electrode immersed in 0.05 M KOH solution saturated with Al(OH)3. Let us consider the half-reactions occurring at the cathode and anode.2Al(OH)3(s) + 6OH-(aq) ⇌ 2[Al(OH)6]3-(aq) (cathode)Al(s) + 3OH-(aq) ⇌ [Al(OH)3]-(aq) + 3e- (anode). On balancing the above reactions we get:2Al(OH)3(s) ⇌ Al(s) + 3[Al(OH)4]- (aq) + 3OH-(aq). By applying the Nernst equation, we get: For cathode: E°cathode = 0V (Since it is given that Al(OH)6 is saturated). For anode: E°anode = - (0.0592/3) log10{([Al(OH)4]-]^3/[Al][OH^-]^3)}E°anode = - (0.0592/3) log10{([Al(OH)4]-]^3/[OH^-]^3}E°anode = - (0.0592/3) log10(1.8 × 10^-12)E°anode = 1.076V. On substituting the values of E°cathode and E°anode in the formula of E°cell, we get E°cell = E°cathode – E°anodeE°cell = 0 - 1.076 VE°cell = -1.076 V. We know that the potential of the electrode is equal to the standard potential of the electrode plus the electrode potential calculated from the Nernst equation. potential of the aluminum electrode = -1.662 + (-1.076) = -2.738 V. Therefore, the correct option is d. -2.738 V.

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The statement  " Brand-W motor does 7,640 N of your toughest work." can be truthfully use.

Advertisement Rules:

Here, the brand-W has the power rating of  7,640 W that is less than brand-Y. Advertiser cannot compare his brand using the name of Brand X, Y, or Z.

Therefore, the statement  " Brand-W motor does 7,640 N of your toughest work." can be truthfully use.

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Answer:

The correct answer is C, Brand W motor does more work each second than Brand X or Brand Z.

When a vertically falling firecracker bursts, the vector sum of momentum fragments does not satisfy either of the given options. The correct answer is d) neither of these.

When the firecracker bursts, it explodes in multiple directions, resulting in the fragmentation of its mass. The momentum of the fragments is distributed in various directions, including both horizontal and vertical components.

Therefore, option a) is incorrect because the horizontal momentum fragments do not cancel out to zero. Option b) is also incorrect because the vertical momentum of the fragments does not necessarily equal the momentum of the firecracker before bursting.

The bursting of the firecracker introduces additional velocities and forces that alter the distribution of momentum among the fragments.

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Answer:

One arm row: Latissmus Dorsi (Lat)

Dumbell flys: Shoulders

Machine back press: pectorals

Push downs: Triceps

Explanation:

gsjsjsjjshsjds

The heat energy transfer process responsible for transferring heat energy from the Earth to the air directly above it is conduction.

Conduction is a form of heat transfer in which heat moves from one object to another by direct contact without the requirement of any physical motion of the objects themselves.

Conduction occurs when a heat source, such as the Earth's surface, transfers heat energy to the air molecules in contact with it. The air molecules, which are heated by conduction, then move and collide with other air molecules in the surrounding area, eventually spreading the heat throughout the atmosphere.

Convection is another type of heat transfer that plays a significant role in the transfer of heat from the Earth's surface to the atmosphere. This occurs as air that is heated by conduction rises, creating convection currents that move heat throughout the atmosphere as air circulates in the environment.

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Answer:

Explanation:

It 100 kg It think

Iron production was mastered by Zhou craftsmen.

The Zhou dynasty was one of the greatest in Chinese history, and among its many achievements were the artisans who discovered how to make iron. Iron became a common material for agricultural equipment, which was revolutionary for the Chinese people and extremely beneficial for agriculture. Everything became lot easier, quicker, and more efficient as a result.

The Zhou dynasty, which followed the Shang dynasty, was the longest to rule China.

Artisans are individuals who create handicrafts.

Agriculture, education, military planning, Chinese literature, music, philosophical schools of thought, social stratification, as well as political and religious advancements, all benefited from the Zhou Dynasty's considerable cultural contributions.

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The work done on the object by the applied force is 1500 J, and the power developed is 8000 W.

The torque produced by the force can be determined by multiplying the force by the moment arm. This can be represented using the formula:Torque = Force × Moment armGiven that a force of 9 N is applied to an object with a moment arm of 0.21 m, the torque produced by the force can be calculated as follows:Torque = 9 N × 0.21 m= 1.89 N·mTherefore, the torque produced by the force is 1.89 N·m.Answer in 200 words.Torque is the tendency of a force to rotate an object around an axis or pivot. The torque produced by a force is proportional to the force applied and the moment arm.The moment arm is the shortest distance between the line of action of the force and the axis of rotation. It is the perpendicular distance from the axis of rotation to the line of action of the force. The moment arm is an important factor in determining the torque produced by a force.A torque of 1 N·m is produced when a force of 1 N is applied perpendicular to a moment arm of 1 m. This is known as the moment of force or the turning effect of a force.The torque produced by a force is measured in newton-metres (N·m) in the SI system of units. In order to calculate the torque produced by a force, the magnitude of the force and the moment arm need to be known.The formula for calculating the torque produced by a force is:Torque = Force × Moment armWhere torque is measured in N·m, force is measured in newtons (N), and moment arm is measured in metres (m).

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The correct answer is Option(C). The proper time between two events is measured by clocks at rest in a reference frame in which the two events are separated by the distance a light signal can travel during the time interval.

The concept of proper time is a fundamental concept in special relativity. It refers to the time interval measured by an observer who is at rest relative to the events being measured. According to special relativity, the passage of time can be affected by relative motion and gravitational fields.

The proper time between two events is independent of the reference frame from which it is measured. It is a fundamental property of the events themselves. In order to measure the proper time between two events, one must use clocks that are at rest relative to the events being measured.

Option (C)  states that the two events are separated by the distance a light signal can travel during the time interval. This is the correct choice because the speed of light is a fundamental constant in special relativity and is the maximum speed at which information can propagate. Using the distance traveled by light during a time interval ensures that the measurement of proper time is consistent with the principles of special relativity.

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--The question is incomplete, the complete question is:

"The proper time between two events is measured by clocks at rest in a reference frame in which the two events:  (A). occur at the same time  (B). occur at the same coordinates  (C). are separated by the distance a light signal can travel during the time interval  (D). occur in Boston  E. satisfy none of the above"--

Answer:

A mineral has a volume of 6 mL and a mass of 12g.

Explanation:

Was this right?

Answer:

B Newton's second law

Explanation:

An empty grocery cart is easier to move because there is less mass in an empty cart compared to a full cart. Newton's second law state that an object's acceleration depends on the mass of the object and the force applied.

Answer:

Its 5 single cell batteries cannected in series

Explanation:

I found the answer sheet online for you

Answer:

yea what the other guy said

Complete question is;

Three grams of the same substance in different phases are stored in three different containers. Each container is barely large enough to hold the substance. Which statement can be known about the behavior of the atoms in each container?

A) The atoms in the solid would be moving vigorously around the container.

B) The atoms in the liquid would be vibrating in position.

C) The atoms in the solid would be vibrating in position.

D) The atoms in the gas would be moving slowly around the container.

Answer:

Option C - The atoms in the solid would be vibrating in position

Explanation:

Option A is wrong because the molecules in solids are held together by strong inter molecular forces and therefore can't move about freely but instead will vibrate in their position.

Option B is wrong because the atoms in liquid are more free than those in solids. Thus they will not have room to vibrate.

Option C is correct from the explanation from option A.

Option D is wrong because the atom of the gas would be very loose and free and would therefore be moving very fast around the container

Its c okay I was tryna help and u delete my question

Assuming a normal respiratory rate of 12 breaths per minute. The minute volume in this example would be 6000 mL/min (b).

Minute volume refers to the total volume of air that a person inhales or exhales in one minute. It is calculated by multiplying the tidal volume (the volume of air inhaled or exhaled in one breath) by the respiratory rate (the number of breaths per minute).

In this example, the resting tidal volume is given as 500 mL, and the respiratory rate is 12 breaths per minute. Thus, the minute volume can be calculated as

=500 mL/breath × 12 breaths/minute

= 6000 mL/min.

Therefore, the correct answer is option (b) - 6000 mL/min.

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Assuming a normal respiratory rate of 12 breaths per minute. The minute volume in this example would be 6000 mL/min (b).

Minute volume refers to the total volume of air that a person inhales or exhales in one minute. It is calculated by multiplying the tidal volume (the volume of air inhaled or exhaled in one breath) by the respiratory rate (the number of breaths per minute).

In this example, the resting tidal volume is given as 500 mL, and the respiratory rate is 12 breaths per minute. Thus, the minute volume can be calculated as

=500 mL/breath × 12 breaths/minute

= 6000 mL/min.

Therefore, the correct answer is option (b) - 6000 mL/min.

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Answer:

I think white is the colour of star A.

Answer:

yellow

Explanation:

The magnitude of the gravitational force that each part exerts on the other out in space is 4.2 × 10^-4 N.

The weight of first part = 18000 N

The weight of second part = 7300 N

Center to center distance between the two parts = 13 m

Formula used:
The magnitude of gravitational force is given as,

F = (G × m₁ × m₂)/r²

where,

G = gravitational constant,

m₁ = mass of first object,

m₂ = mass of second object,

r = distance between the center of two objects

We can use the formula,

F = (G × m₁ × m₂)/r²

weight of first part = 18000 N

Let's find the mass of the first part.

Mass of first part,

m₁= weight/g= 18000 N/9.81 m/s²= 1834.2 kg

Given, weight of second part = 7300 N

Let's find the mass of the second part.

Mass of second part, m₂= weight/g= 7300 N/9.81 m/s²= 744.68 kg

Center to center distance between the two parts = 13 m

Let's find the distance between the two parts.

Distance, r = 13 m

Now, substitute all the values in the formula to get the magnitude of gravitational force,

F = (G × m₁ × m₂)/r²

= (6.67 × 10^-11 Nm²/kg² × 1834.2 kg × 744.68 kg)/(13 m)²

= 4.2 × 10^-4 N

The magnitude of the gravitational force that each part exerts on the other out in space is 4.2 × 10^-4 N.

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A) The mass of 28.76 mL of acetone is approximately 22.7 g.

B) The volume of 6.40 g of acetone is approximately 8.12 mL.

A) To determine the mass of 28.76 mL of acetone, we need to know the density of acetone. The density of acetone is approximately 0.789 g/mL. Therefore, we can calculate the mass as follows:

Mass = Volume * Density

Mass = 28.76 mL * 0.789 g/mL

Performing the calculation:

Mass ≈ 22.67564 g

Rounding the result to the correct number of significant figures, the mass of 28.76 mL of acetone is approximately 22.7 g.

B) To determine the volume of 6.40 g of acetone, we can rearrange the formula:

Volume = Mass / Density

Volume = 6.40 g / 0.789 g/mL

Performing the calculation:

Volume ≈ 8.116 g/mL

Rounding the result to the correct number of significant figures, the volume of 6.40 g of acetone is approximately 8.12 mL.

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Answer:

Strong Electrolyte

Explanation:

When the size of the slits is reduced, the intensity of the maxima for double slit interference decreases. This is because the reduction in slit size reduces the amount of light that can pass through the slits, which in turn reduces the intensity of the interference pattern formed on the screen.

As the width of the slits is reduced, less light passes through the slits. This leads to a decrease in the intensity of the light reaching the screen. According to Huygens's principle, each point on the wavefront behaves like a new source of light, and the interference pattern is formed when the waves from these sources interfere with one another. When two waves from two different sources coincide, they can either reinforce or cancel each other out, depending on whether they are in phase or out of phase.

Constructive interference occurs when two waves are in phase and reinforce each other, resulting in bright fringes or maxima. Destructive interference occurs when two waves are out of phase and cancel each other out, resulting in dark fringes or minima.The intensity of the maxima decreases as the size of the slits is reduced because there are fewer sources of light interfering with one another. When the slits are wider, more sources of light are available to interfere with each other, resulting in brighter fringes.

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