A charge of 7. 2 × 10-5 C is placed in an electric field with a strength of 4. 8 × 105StartFraction N over C EndFraction. If the electric potential energy of the charge is 75 J, what is the distance between the charge and the source of the electric field? Round your answer to the nearest tenth. M.

Answer:

I think it's D

Explanation:

I don't know I just think

Answer:

A quasar is an extremely luminous active galactic nucleus, powered by a supermassive black hole, with mass ranging from millions to tens of billions of solar masses, surrounded by a gaseous accretion disc.

Explanation:

first!

Answer:

60N

Explanation:

Given parameters:

Combined mass = 50kg

Acceleration  = 1.2m/s²

Unknown:

Force to propel  = ?

Solution:

From Newton's second law of motion, we know that;

       Force  = mass x acceleration

 So;

         Force  = 50 x 1.2  = 60N

Answer:

60N

Explanation:

Any action intended to hurt, harm, or cause suffering to another living thing or group of beings is considered to be aggressive.

Specifically, acts that injure someone physically. action that harms psychological health, such as that which instills apprehension, concern, or anguish.When you hurt your brother, you also hurt him. One way to damage someone is to hurt them physically.

People who are distressed could also believe that they are unable to handle or cope with alterations brought on by everyday activities or medical conditions like cancer. It is unfavourable, unhealthy, and discouraging. Stressors events that trigger the stress reaction in our bodies. A stressor is anything that creates stress.

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In the given equation of the regression line, y = 0.8x - 0.47, the variables represent the following:

The equation implies that there is a linear relationship between the number of vacation days available and the number of vacation days taken. The coefficient 0.8 indicates that, on average, for every additional vacation day available, the employee takes 0.8 more vacation days. The constant term -0.47 represents an adjustment to the regression line.

Please note that without more information or additional data, it is not possible to determine the specific context or accuracy of the regression line equation.

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The volume of the red bird feeder is approximately 217 cubic inches. The volume of the blue bird feeder is approximately 339 cubic inches. The total volume of Mia's bird feeders is approximately 556 cubic inches.
To find the volume of a cylindrical object, we use the formula V = πr^2h, where V is the volume, π is a constant (we can use 3.14 as an approximation), r is the radius, and h is the height.

For the red bird feeder, we know that the diameter is 10 inches, so the radius is 5 inches (half of the diameter). The height is given as 8.3 inches. Plugging these values into the formula, we get V = 3.14 x 5^2 x 8.3, which simplifies to approximately 217 cubic inches when rounded to the nearest whole number.

For the blue bird feeder, we know that the diameter is 12 inches, so the radius is 6 inches. The height is given as 7.5 inches. Plugging these values into the formula, we get V = 3.14 x 6^2 x 7.5, which simplifies to approximately 339 cubic inches when rounded to the nearest whole number.

To find the total volume of Mia's bird feeders, we simply add the volumes of the red and blue bird feeders. This gives us 217 + 339 = 556 cubic inches, which rounds to approximately 556 when rounded to the nearest whole number.

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The most important factor in the creation of horizontal ocean strata with varying temperatures is variation in the density property of water at different temperatures.

The body of salt water known as the ocean, sometimes known as the sea or the world ocean, is what makes up 97% of the planet's water and covers roughly 70.8% of its surface. A vast body of water that is not part of the world ocean can also be referred to as an ocean. Five main oceanic regions are designated by distinct names: the Pacific (biggest), the Atlantic, the Indian, the Southern (Antarctic), and the Arctic (the smallest). On average, the oceans cover 361,000,000 km2 (139,000,000 sq mi) of the earth. The ocean is the main part of the hydrosphere on Earth, which makes it essential to life as we know it. The ocean affects the carbon cycle, the water cycle, and the climate by serving as a significant heat reservoir.

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Variation in the density of water at various temperatures is the most crucial element in the formation of horizontal ocean start with changing temperatures.

The ocean, often known as the sea or the world ocean, is the body of salt water that makes up 97% of the planet's water and occupies around 70.8% of its surface. The term "ocean" can also apply to a large body of water that is not a part of the global ocean. The Pacific (largest), the Atlantic, the Indian, the Southern (Antarctic), and the Arctic are the five main oceanic regions that are given different names (the smallest). The earth's oceans encircle 361,000,000 km2 (139,000,000 sq mi) on average. Being the primary component of the hydrosphere on Earth, the ocean is crucial to life as we know it. The carbon, water, and climate cycles are all impacted by the ocean.

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Answer:

9.75 km

Explanation:

Charlie runs 6.5 km/hr

-> Charlie wants to run for 1.5 hours

6.5km + 6.5km/2

= 6.5 km + 3.25km

= 9.75 km

Answer:

Volume = 112cm^2

Density = 0.45 g/cm^2 (2.s.f)

Explanation:

Volume of a cube is found by multiplying its height by its length by its width.

We are given the values: l = 7cm, w = 8cm, h = 2cm, so to find the volume we just need to multiply them all together:

V=lwh

V = (7)(8)(2)

The volume of the cube = 112cm^2

Density is found by dividing mass by volume.

We are given the mass (50 grams) and we have just found the Volume (112cm^2), so we can just divide them to find the density:

p (symbol for density) = m/v

p = (50)(112)

The density of the cube is 0.45 g/cm^2 (2.s.f.)

Hope this helped!

A. Symbolic equation for the location of the center of mass of the three beads relative to the left end of the rodIn order to find the center of mass, we need to use the formula:

\((M1x1 + M2x2 + M3x3) / M\\where\\M \\ =\\ m1 + m2 + m3M1 = m1M2 = \\m2M3 = m3x1 \\= d1x2 = d1 + d2x3 = d1 + d2 + d3\\\\Now, we have\\\\M1x1 + M2x2 + M3x3 = 27 × 0.013 + 14 × 0.032 + 49 × 0.062 \\= 0.1310M \\= m1 + m2 + m3 \\= 27 + 14 + 49 = 90\)

The location of the center of mass is given

\(asx = (M1x1 + M2x2 + M3x3) / M = 0.1310 / 90= 0.00146 cmB.\)

Find the center of mass in centimeters relative to the left end of the rodThe center of mass is located at a distance of 0.00146 cm relative to the left end of the rod.C. Symbolic equation for the location of the center of mass of the three beads relative to the center beadWe need to find the distance between the center bead and the center of mass.Let d = distance between center bead and the center of mass.

Find the center of mass in centimeters relative to the middle beadFrom the above equation in part C, we know

\(x2 + d = 0.1304\)

Let's calculate the distance between center bead and the center of mass,

\(d = x - x2 = 0.00146 cm\)

Now, we can find the center of mass in centimeters relative to the middle bead asx - x2 = 0.00146 cmThe center of mass is 0.00146 cm away from the middle bead.

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Answer:

He can lift on the earth is 60 kg

Answer:

an electromagnetic wave with a wavelength in the range 0.001–0.3 m, shorter than that of a normal radio wave but longer than those of infrared radiation. Microwaves are used in radar, in communications, and for heating in microwave ovens and in various industrial processes.

The most extreme sum of weight that can hang from the conclusion of the pole is 8.66 N.

The most extreme sum of weight that can hang from the conclusion of the bar is calculated as follows.

Apply the equation for pressure utilizing Newton's moment law of movement.

Newton's moment law of movement states that the constrain experienced by a question is specifically relative to the item of the mass and speeding up of the question.

T sinθ = W

Where T is maximum tension in cable

θ is angle of inclination of cable

W is weight of cable

10 sin (60) = W

8.66 N = W

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Answer:

degree

liquid

mass-volume

Explanation:

Answer:

gracias

Explanation:

Hello.

Brainly points can be used for better situations, brainly points are experience that you receive by answering well.

Answer:

it may be because of the movement of the atoms. i believe that the heat of the warm water makes it move faster, thus making the object float due to upthrust, or air pressure

The horizontal component of the force is 57.4 N and the vertical component of the force is 46.4 N

How do I determine the horizontal component of force?

The horizontal component of the force can be obtained as follow:

Force applied (F) = 73.8 Newtons

Angle of projection (θ) = 39 °

Horizontal component of force (Fx) =?

Horizontal component of force (Fx) = F × Cosθ

Fx = 73.8 × Cos 39

Fx = 57.4 N

Thus, the horizontal component of force is 57.4 N

How do I determine the vertical component of force?

The vertical component of the force can be obtained as follow:

Force applied (F) = 73.8 Newtons

Angle of projection (θ) = 39 °

Vertical component of force (Fy) =?

Vertical component of velocity (Fy) = u × Sine θ

Fy = 73.8 × Sine 39

Fy = 46.4 N

Thus, the vertical component of force is 46.4 N

Answer:

I think its true

Explanation: hope it helps

Answer:

a) 588.235 ohm ( all the 3 resistors are in parallel )

b) 10 A

c) Current flowing -

in 20 ohm resistor = 6.25 A

in 100 ohm resistor = 1.25 A

in 50 ohm resistor = 2.5 A

d) Voltage drop across all the resistor = 125 V

(As all the resistors are in parallel all the resistors will have the same voltage drop )

e) Power dissipated -

in 20 ohm resistor = 781.25 W

in 100 ohm resistor = 156.25 W

in 50 ohm resistor = 312.5 W

(Power = Current × Potential Difference)

The thymocyte developmental checkpoint that tests the functionality of the recombined beta chain of the pre-T cell receptor (pre-TCR) is called Beta selection.

During T cell development in the thymus, thymocytes undergo several checkpoints to ensure proper maturation and functionality. Beta selection is one such checkpoint that occurs at the double-negative stage of thymocyte development. At this stage, the recombined beta chain of the pre-TCR is tested for its functionality.

The pre-TCR, composed of the beta chain and a surrogate alpha chain, plays a crucial role in thymocyte development and selection. Beta selection specifically assesses the ability of the recombined beta chain to pair with the surrogate alpha chain and form a functional pre-TCR complex.

If the recombined beta chain is functional and capable of pairing with the surrogate alpha chain, signaling through the pre-TCR occurs, leading to positive selection. Positive selection allows thymocytes with functional pre-TCRs to survive and progress further in development.

On the other hand, if the recombined beta chain is non-functional or unable to properly pair with the surrogate alpha chain, signaling through the pre-TCR does not occur, resulting in negative selection. Thymocytes that fail the beta selection checkpoint are eliminated through apoptosis.

In summary, the beta selection checkpoint in thymocyte development is responsible for testing the functionality of the recombined beta chain of the pre-TCR. It determines whether thymocytes progress through positive selection or undergo negative selection based on the ability of the recombined beta chain to form a functional pre-TCR complex.

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Answer:0-------0

do we have options?

Explanation:

a) The answer is we can guarantee that 84% of the lifetimes of light bulbs lie within the range of 650 to 950 hours. To find a range in which it can be guaranteed that 84% of lifetimes of light bulbs lie, we can use the empirical rule. According to the empirical rule, for a normal distribution, approximately 68% of the data falls within one standard deviation of the mean, approximately 95% falls within two standard deviations, and approximately 99.7% falls within three standard deviations.

Given that the mean life of the light bulbs is 800 hours and the standard deviation is 100 hours, we can calculate the range as follows:
Lower range = Mean - (1.5 * Standard Deviation)
Upper range = Mean + (1.5 * Standard Deviation)

Lower range = 800 - (1.5 * 100) = 650 hours
Upper range = 800 + (1.5 * 100) = 950 hours
Therefore, we can guarantee that 84% of the lifetimes of light bulbs lie within the range of 650 to 950 hours.

b) Using the rule of thumb, we can estimate that approximately 68% of the light bulbs lie within one standard deviation of the mean. Since the mean is 800 hours and the standard deviation is 100 hours, the range can be calculated as follows:
Lower range = Mean - Standard Deviation
Upper range = Mean + Standard Deviation

Lower range = 800 - 100 = 700 hours
Upper range = 800 + 100 = 900 hours

Therefore, we can estimate that approximately 68% of the light bulbs lie within the range of 700 to 900 hours.

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A doubling current through an inductor causes the energy stored there to vary by a factor of four. There is no expectation that an inductor will lose energy.

Only when necessary does it supply energy to the circuit from its storage. The voltage across the inductor will gradually change if the current is passed through it. In the 1800s, Oersted demonstrated how a conductor carrying current generates a magnetic field all around it. The movement of electrical charge carriers like electrons is known as current. Positive and negative locations both experience current flow. The ampere is the SI unit for calculating electrical current (A). A passive two-terminal electrical component known as an inductor, also known as a coil, choke, or reactor, stores energy in a magnetic field as electric current passes through it.

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Many students of physics do not believe in centripetal ("inwards") forces. Even after completion of a thorough physics course, such students will still incorrectly believe that an object moving in a circle experiences an outward force. Perhaps the reason for adhering to this misconception stems from their experiences with riding as a passenger in automobiles and amusement park rides.

Imagine that you are a passenger in a car which is making a right-hand turn. As the car begins to take the turn to the right, you often feel as though you are sliding to the left. The car is turning to the right due to the inward force, yet you feel as though you are being forced leftward or outward. In actuality, the car is beginning its turning motion (to the right) while you continue in a straight line path. This motion can be better understood by examining the animation below.

Observe in the animation that the passenger (in blue) continues in a straight-line motion for a short period of time after the car begins to make its turn. In fact, the passenger follows a straight-line path until striking the shoulder of the driver (in red). Once striking the driver, a force is applied to the passenger to force the passenger to the right and thus complete the turn.

An inward net force is required to make a turn in a circle. This inward net force requirement is known as a centripetal force requirement. In the absence of any net force, an object in motion (such as the passenger) continues in motion in a straight line at constant speed. This is Newton's first law of motion. While the car begins to make the turn, the passenger and the seat begin to edge rightward. In a sense, the car is beginning to slide out from under the passenger. Once striking the driver, the passenger can now turn with the car and experience some circle-like motion. There is never any outward force exerted upon the passenger. The passenger is either moving straight ahead in the absence of a force or moving along a circular path in the presence of an inward-directed force.

A. The force is halved

The acceleration will be halved.

According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Mathematically, it can be expressed as:

F = m * a

Where F represents the net force, m represents the mass of the object, and a represents the acceleration.

If the force is halved (F/2), and we assume the mass remains constant, we can rearrange the equation to solve for the new acceleration:

(F/2) = m * (a/2)

This implies that the new acceleration (a/2) is half of the original acceleration (a) when the force is halved.

When the force acting on an object is halved, the acceleration of the object will also be halved, provided the mass remains constant. It demonstrates the inverse relationship between force and acceleration as described by Newton's second law of motion.

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Answer:

B is right at first I thought I was wrong

Explanation:

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This tendency to resist changes in a state of motion is inertia.

Let's say the force of gravity betwen you and the Earth (your "weight") is 100 pounds.

Then the force of gravity between you and a 10-pound bowling ball (sitting on the table 3-ft away from you) is about 0.000 000 049 of an ounce !

It's there, but it's too small for you to feel.

And it's not strong enough for the pencil or the bowling ball to jump up off the table, fly through the air, and stick to you.

The effect of friction on air: B. is relevant only within the planetary boundary layer.

In Science, there are different types of force that acts on a physical object and these include the following:

Frictional force can be defined as a type of force that resists and slows the relative motion of two physical objects when there surfaces come in contact. This ultimately implies that, a frictional force prevents two surfaces from easily sliding over or slipping across one another.

Based on scientific research and experiments, we can reasonably infer that the effect of friction on air is relevant and important only within the planetary boundary layer.

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Complete Question:

The effect of friction on air:

A. increases wind speed.

B. is relevant only within the planetary boundary layer.

C. causes airflow to cross isobars rather than run parallel to them.

D. increases the Coriolis force. E. increases with height.

The length of nylon rope from which a mountain climber is suspended has a force constant of 1.15 ✕ 104 N/m.

Spring constant is the common name for the force constant. Hooke's law states that F=-kx. k=N/m is used to replace units in the equation where F is force, x is displacement, and k is force constant (spring constant) to determine the SI unit of force constant (spring constant).

The slope (gradient) of the graph equals the force constant. The proportionality constant, or k, is also known as the force constant in physics. A spring that is more rigid will have a higher value for k. The graph is no longer a straight line beyond point A since the gradient has changed and the formula F = Kx is no longer valid.

Maximum speed is at equilibrium where:

F = kx ⇒x =F/k

Now, F x=1/2mv²+1/2kx²

Solving we get,

V=F/√mk=Vmax

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