What is the abbreviation for the SI unit for electric potential?
V
J
C
U

Answer:

The plastic is too much like other things that are allowed. Sometimes it is too thin, as well. Or sometimes the gates are just not that modern and advanced enough to detect them.

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As galáxias são geralmente maiores do que os aglomerados de estrelas. Como disse Geller ~ As galáxias são como as cidades em que vivem os aglomerados de estrelas. As galáxias podem ter cerca de milhares ou mais aglomerados de estrelas ~

I hope it helps ~

Answer:

B

Explanation:

because. it reduces the distance between the earth

Answer:

Hey Friend....

Explanation:

This is ur answer....

Hope it helps!

Brainliest pls!

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If a listener receives sound from a sound reinforcement loudspeaker more than 50 ms after receiving sound directly from the person talking, the two sound signals will be perceived as separate and distinct events.

This is because the human auditory system typically starts to perceive sounds as separate events when the time delay between them is greater than approximately 50 ms. This can result in a phenomenon called the "precedence effect" or "echo," which can negatively affect the clarity and intelligibility of the original sound signal.

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Answer:

I already told ya

Explanation:

i got brainly so i could learn

The resultant of the forces is 29 N. Option D

The resultant force is the force that acts in a given direction. Now we have two forces as enumerated in the question.

Thus;

Resultant = √(10)^2 + (20)^2 - [2 * 10 * 20 * cos (60 - 30))

Resultant = 29 N

Thus, the resultant of the forces is 29 N.

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Missing parts;

Two forces of magnitude 10N and 20N act on a body in directions making angles 30° and 60° respectively with x-axis what is the resultant force

A.17N

B. 19N

C. 23N

D. 29N

E. 37N​

Acid rain is formed when sulfur dioxide and/or nitrogen oxide are present in the atmosphere and it may cause respiratory diseases.

Acid rain is a type of precipitation of water containing suspended particles that make it have a pH lower than 7, which is generally due to the presence of sulfur dioxide and/or nitrogen oxide.

Acid rain is highly toxic and this type of precipitation may cause respiratory diseases by prolonged exposure.

In conclusion, acid rain is formed when sulfur dioxide and/or nitrogen oxide are present in the atmosphere and it may cause respiratory diseases.

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Answer:

Bears are consumers

Explanation:

The above statement shows that bears are consumers. A consumer is an individual or a party who plans to order or use acquired goods,

A consumer is a person or a group who plans to order or utilize acquired goods, products, or services for personal, social, family, domestic, or similar purposes.

Any individual or group who is the final user of a product or service is referred to as a consumer.

A business that purchases a printer for internal usage. The firm that bought the printer is the client, and the employees that use it are the customers. The printer will not be resold by the firm.

Hence the statement shows that bears are consumers.

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0.2×51000)

Explanation:

change 5ms into cms before multiplying by 0/2 kgs

Answer:

Conduction occurs more readily in solids and liquids, where the particles are closer to together, than in gases, where particles are further apart. ... As these molecules collide, thermal energy is transferred via conduction to the rest of the pan.

Explanation:

Metals have tightly packed atoms which can easily pass on their kinetic energy and also have free moving electrons.

Answer:

b, the fastest the car has traveled out of those options is 4-5 seconds.

Explanation:

Answer: B because the car traveled the farthest in the shortest amount of time on the graph.

Answer:

The value of mass 1, m1= 6/5m

The value of mass 2, m2= 3/5m

Explanation:

case 1:

here tension and the acceleration will be:

for m1;

for m2:

adding the both equations,

2mg - 2T + 2T-mg = 2ma + ma/2

a = 2/5 g

putting the value of a into the equation 1.

mg - T = m* (2/5)g

T = 3/5 ( mg )

now

case 2:

The two identical blocks are released from the rest, the tension remains the same as the case 1.

so,

for m1:

for m2:

adding both equations we get,

2T-m2g + 2m2g - 2T = 0

m2 = m1 / 2

T = m1*g / 2

here we know that

T (case1) = T (case2)

3/5 ( mg ) = m1*g / 2

m1 = 6/5 m

hence

m2 = 3/5 m

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The capacitor should be charged to a potential of approximately 75,317 volts to store 1.70 J of energy.

The energy stored in a capacitor can be calculated using the formula:

E = (1/2) * C * V^2

Where:

E is the energy stored (1.70 J in this case)

C is the capacitance (0.600 μF = 0.600 * 10^(-6) F)

V is the potential (to be determined)

Rearranging the formula, we can solve for V:

V^2 = (2 * E) / C

V = sqrt((2 * E) / C)

V = sqrt((2 * 1.70 J) / (0.600 * 10^(-6) F))

V ≈ sqrt(5.67 * 10^9) V

V ≈ 75,317 V

Therefore, the capacitor should be charged to a potential of approximately 75,317 volts to store 1.70 J of energy.

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The torque required to give the object an angular acceleration of 1.5 rad/s² is 1.5 Nm.

Objects that move in a translational manner use Newton's II law  (∑F = ma)and objects that move in a rotational manner also use the same concept of Newton's laws, but the quantity use rotational quantity . Then, Newton's Second Law for objects that move in a rotational manner or move in a circle uses the formula:

τ = (the moment inertia) x (the angular acceleration of the object)

With,

τ =  is the total torque acting on the object (Nm)

I = is the moment of inertia of the object (kgm²)

α = is the angular acceleration of the object (r4d/s²)

So, the required torque is:

τ = (1.00 kgm²) (1.5 r4d/s²)

= 1.5 Nm

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A) True. The change in temperature of an object depends only on the amount of heat gained or lost and its specific heat capacity, not on its mass or volume.

The specific heat of a substance is the amount of heat energy required to raise the temperature of a unit mass of the substance by one degree Celsius. Therefore, if two substances have the same mass and the same initial temperature and are supplied with the same amount of heat energy, they will experience the same size gain or loss of heat. This is because the specific heat is a property of the substance, and not dependent on the mass or volume. However, if the masses or volumes of the substances are different, then the temperature change will also be different, as the heat energy will be distributed over different amounts of material.

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The force of Earth's gravity on the spacecraft is 1691 N. The result is obtained by using the concept of Newton's law of universal gravitation.

The Newton's law of universal gravitation states that every object with the mass in the universe attracts to each other. The pulling force is called gravitational force. The gravitational force can be expressed as

F = Gm₁m₂/r²

Where

A 1550 kg spacecraft is at 2R above the Earth surface.

Find the gravitational force!

The scientific data shows:

We convert the radius in meters.

R = 6371 km

R = 6371 × 1000 m

R = 6.371 × 10⁶ m

The distance of the spacecraft is 2R + R = 3R.

Using the formula above, we will get the gravitational force.

F = Gm₁m₂/r²

F = GMm₂/(3R)²

F = (6.6743 × 10⁻¹¹ × 5.972 × 10²⁴ × 1550)/(3 × 6.371 × 10⁶)²

F = (61781 × 10¹³)/(365.3 × 10¹²)

F = 1691 N

Hence, gravitational force between Earth and the spacecraft is 1691 N.

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The ball strikes the ground after an interval of approximately 1.48 seconds.

Gravitational force is the force of attraction between two objects that is proportional to the mass of the objects and the distance between them. It is the force that causes objects to fall towards the center of the earth and it is the force that holds planets and other celestial bodies in orbit around the sun.

To determine the time interval that the ball strikes the ground, we can use the equation of motion for vertical motion under the influence of gravity:

y = vit + 1/2g*t^2

where y is the vertical displacement (or height), vi is the initial velocity, t is the time interval, and g is the acceleration due to gravity (approximately 9.8 m/s^2).

We know that the initial velocity (vi) is -7.10 m/s (since it is thrown downward), the initial height (y) is 30.8 m, and the final height is 0 m (since it strikes the ground). So,

y = vit + 1/2g*t^2

0 = -7.10t + 1/29.8*t^2

To solve for t, we can divide both sides of the equation by -1/2*g

t = (-2*y/g) / vi

t = (-2*30.8/9.8) / -7.1

t = 1.48 s

So, the ball strikes the ground after an interval of approximately 1.48 seconds.

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When a full hybrid fails to start, the most common cause is a fully discharged battery. This is because the battery is the primary power source for starting the engine in a hybrid vehicle. So the statement given is True.

Unlike conventional vehicles, which rely solely on the starter motor and alternator, hybrid vehicles use a high-voltage battery pack to provide the initial power to start the engine.

If the battery is fully discharged, it will not have enough power to turn over the engine, resulting in the vehicle failing to start. It's important to note that a fully discharged battery in a hybrid vehicle may also indicate an underlying problem with the hybrid system, such as a malfunctioning power control module or charging system. In such cases, it's best to have the vehicle inspected by a qualified mechanic to diagnose and repair any issues.

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One substance that is underabundant in the atmosphere of Saturn compared to Jupiter is helium. While helium is the second most abundant element in the universe, it is less abundant in Saturn's atmosphere compared to Jupiter.

This is because Saturn has a weaker gravitational field than Jupiter, which means that it is less able to hold onto lighter elements like helium. As a result, Saturn has a lower proportion of helium in its atmosphere compared to Jupiter.

In addition to helium, there are other substances that are also underabundant in the atmosphere of Saturn compared to Jupiter. For example, nitrogen and argon are both less abundant in Saturn's atmosphere than in Jupiter's atmosphere. This is thought to be due to differences in the formation and evolution of the two planets.

Saturn is believed to have formed further away from the Sun than Jupiter, in a region of the solar system where temperatures were lower and the availability of volatile elements like nitrogen and argon was reduced. Additionally, the two planets may have accreted different amounts of material during their formation, which could also contribute to differences in their atmospheric compositions.

Understanding the differences between the atmospheres of Saturn and Jupiter can provide valuable insights into the formation and evolution of the gas giants in our solar system. By studying the chemical makeup of their atmospheres, scientists can gain a better understanding of the conditions that prevailed during the early stages of their formation, as well as the processes that continue to shape them today.

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Answer:

in science and engineering , the weight of an object is the force acting on the object due to gravity.

The NGC 3603 region of space is shown below. It is a cloud of gas and dust. Stars are forming in this cloud. The NGC 3603 be classified as a nebula. The correct option is A.

A tiny, ball-shaped nebula is known as a planetary nebula. It generates an ionized gas that is luminous. Large and typically erratic clouds are produced by diffuse nebulae.

Due to their big stars, they typically form a cluster of stars. a cloud of gas in space that can be seen in the night sky as a vaguely discernible brilliant patch, as something black, or as a shadow against other luminous objects.

Dust and gases, primarily hydrogen and helium, make up nebulae. The mass of gas and dust eventually grows so large that it is forced to collapse by gravity. The material in the cloud's core heats up as a result of the collapse, and this hot core is the start of a star.

Therefore, the correct option is A. As a nebula.

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Given:

ratio of energy is 2√2 : √3

Apply:

Where:

q = charge of proton

v= speed of proton

r= radius of circular path

T= time period of revolution

Kinetic energy (K)

K= 1/2mv^2

From both equations:

Tα1/k

K1:K2 = 2√2 : √3

T1:T2 = √3:2√2

Answer: √3:2√2

Answer:

Explanation:

A scalar quantity is a physical quantity that has only one characteristic - a numerical value.

The scalar value can be positive or negative.

Examples of scalar quantities: temperature, mass, volume, time, density.

A vector quantity is a physical quantity that has two characteristics:

1) a numerical value that is always positive (vector modulus);

2) direction.

Examples of vector physical quantities: speed, acceleration, force.

Answer:

when there is uniform velocity the acceleration of a body is zero

The parakeets swing with a frequency of approximately 1.14 Hz.

The frequency at which the two parakeets swing on the swing can be determined by considering the relationship between the period of oscillation and the length of the pendulum.

The period of a pendulum is the time it takes for one complete oscillation, while the frequency is the reciprocal of the period, representing the number of oscillations per unit time.

In this case, we are given the distance of the combined center of mass of the parakeets below the pivot, which is 19.5 cm.

To find the frequency, we need to calculate the length of the equivalent pendulum, which is the distance from the pivot point to the combined center of mass of the parakeets.

Assuming the length of the equivalent pendulum is L, we can substitute the given values into the formula for the period of a pendulum, T = 2π√(L/g), where π is a constant (approximately 3.14159) and g is the acceleration due to gravity (approximately 9.8 m/s^2).

Converting the distance from centimeters to meters, we have L = 0.195 m. Substituting the values into the formula, we obtain T = 2π√(0.195/9.8).

Simplifying the equation, we have T = 2π√(0.02), which evaluates to approximately 0.879 s.

To calculate the frequency, we take the reciprocal of the period: f = 1/T = 1/0.879 ≈ 1.14 Hz.

Therefore, the parakeets swing with an approximate frequency of 1.14 Hz.

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Answer:

D

Explanation:

Heating up the solvent gives the molecules more kinetic energy. The more rapid motion means that the solvent molecules collide with the solute with greater frequency and the collisions occur with more force. Both factors increase the rate at which the solute dissolves.