What is the main advantage of dealing with electric potential instead of an electric field?.

As a freely falling object picks up downward speed, then the power supplied by gravitational force will increase.

We know that Power = work done /time

Power = W ×t and work = Force × displacement.

W= F(d) = F× speed/time (distance = speed /time)

So, if we increase the speed then work done will also increase, eventually it increases the power.

The longer an object is in free fall, the faster it falls toward the ground due to gravity. means it depend on the mass of object.

A falling object accelerates as it falls downward rapidly. The quantity of air resistance rises in proportion to the speed. The pull of gravity eventually is balanced by the force of air resistance as it grows. The item will cease accelerating since there is no net force at this point in time 0 newton.

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Answer:

Capacitor

Explanation:

Capacitor ; A capacitor is a passive two-terminal electrical component that can store energy in an electric field electrostatically. It works as a small rechargeable battery that stores electricity. However, unlike a battery, it can charge and discharge in the split of a second. Capacitors are widely used to build different types of electronic circuits.

Answer:

group

Explanation:

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With age the small ear bones may become less flexible or fused, leading to potential hearing loss due to otosclerosis or other age-related factors. It's important to seek professional advice if anyone experiences any changes in hearing

Ear bones, collectively called the ossicles, include the malleus, incus, and stapes. They play a crucial role in transmitting sound vibrations from the eardrum to the inner ear. Over time, the joints between these bones may become less flexible or even fused due to a process called ossification. This can cause a condition called otosclerosis, where abnormal bone growth restricts the movement of the stapes within the oval window, leading to a reduction in the transmission of sound vibrations. Otosclerosis is more common in adults, and it may result in conductive hearing loss, which occurs when sound waves cannot efficiently travel through the outer and middle ear. Symptoms may include difficulty hearing soft sounds, muffled speech, or even tinnitus – a persistent ringing or buzzing in the ears.

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Answer:

all of the above conditions are necessary for electric current to flow

Explanation:

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Answer:

Neither.

Explanation:

After 10 seconds the object will have travelled 490.5m, not 98.1. The vertical distance covered in freefall by an object in time t is given by Distance= 1/2 x 9.81 x t^2. Simply multiplying 9.81 by the time will NOT give the distance covered.

The acceleration of the object will not change, it will always be 9.81 m/s^2. Its speed will keep increasing by 9.81 m/s every second, thats what the ‘per second squared*’ means. The speed after 10 seconds will be 98.1 m/s

To summarise, after 10 seconds, the object will have covered 490.5 metres, and it will have a final speed of 98.1 m/s. It’s acceleration will remain 9.81 m/s^2 at all times

a man has a mass of 70kg. then calculated weight on earth where Gravity strength is 10N/kg is 700N

Gravity, which derives from the Latin word gravitas, which means "weight"[1], is a basic interaction in physics that causes all objects with mass or energy to attract one another. The electromagnetic force, the weak interaction, and the strong interaction are all significantly stronger than gravity, which is by far the weakest of the four fundamental interactions. As a result, it has no appreciable impact on subatomic particle level phenomena. However, at the macroscopic level, gravity is the most important interaction between things and governs the motion of planets, stars, galaxies, and even light.

Weight W = mg = 70*10 =  700 N

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Answer:

speed

Explanation:

speed is rate of change of distance with time in no specific direction.

Answer:

do u want the definition of refraction?

Explanation:

Refraction is defined as the phenomenon of bending of light ray when it travels from one medium to another of refractive index.

Answer:

decomposition reaction

Explanation:

decomposition reactions occurs when one substance breaks down, or decomposes, into two or more substances

Answer:

V = 0.87 volt

Explanation:

Given that,

Charge, \(q=7.3\times 10^{-17}\ C\)

Electric potential energy, \(U=6.4\times 10^{-17}\ J\)

We need to find the value of electric potential at a point. The relation is as follows :

\(V=\dfrac{U}{q}\)

Where

V is electric potential

So,

\(V=\dfrac{6.4\times 10^{-17}}{7.3\times 10^{-17}}\\\\V=0.87\ V\)

So, the value of the electric potential at a point is equal to 0.87 Volts.

The thing to do here is to balance the eqns that is to balance the stoichometric ratios or coefficients of the cpds.

hope you understand. all the best.

Answer:

\(g=16.31\ m/s^2\)

Explanation:

Given that,

The length of the pendulum, l = 2 m

The period of the pendulum, T = 2.2 s

The formula for the time period of a pendulum is given by :

\(T=2\pi \sqrt{\dfrac{l}{g}}\)

or

\(T^2=4\pi ^2\dfrac{l}{g}\\\\g=\dfrac{4\pi ^2l}{T^2}\\\\g=\dfrac{4\pi ^2\times 2}{(2.2)^2}\\\\g=16.31\ m/s^2\)

So, the free fall acceleration is \(16.31\ m/s^2\).

Answer:

1cm=10mm

10cm/0.125mm

80pages

The mass of the rock is approximately 86.304 tons.

To convert the mass of the rock from grams to tons, we can use the conversion factor that 1 ton is equal to 907.2 kilograms.

Mass of the rock = 7.84 x 10^7 grams

To convert grams to kilograms, we divide by 1000:

Mass in kilograms = (7.84 x 10^7 grams) / 1000 = 7.84 x 10^4 kilograms

Now, to convert kilograms to tons, we divide by 907.2:

Mass in tons = (7.84 x 10^4 kilograms) / 907.2 = 86.304 tons

Therefore, the mass of the rock is approximately 86.304 tons.

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Answer:

Mercury's orbital period is approximately 88 days

Explanation:

Mercury's orbit parameters given in the question are;

Mercury's aphelion distance, Rₐ = 0.467 AU

Mercury's perihelion distance, \(R_p\) = 0.308 AU

Therefore, the average distance from Mercury to the Sun, 'a', is given as follows;

\(a = \dfrac{R_a + R_p}{2}\)

By plugging in the values of 'Rₐ' and '\(R_p\)', we get;

\(a = \dfrac{R_a + R_p}{2} = \dfrac{0.467 \, AU + 0.308 \, AU}{2} = 0.3875 \, AU\)

a = 0.3875 AU

According to Kepler's third law, we have;

P² = k·a³

Where;

P = The orbital period of the plane

a = The average distance from Mercury to the Sun

k = Constant

When k = 1, we have;

P² = a³

∴ P = √(a³)

From which we have;

P = √(0.3875 AU)³ ≈ 0.241216804711 years

P ≈ 0.2412168 years

1 year = 365 days

∴ 0.241216804711 years = 0.241216804711 years × 365 days/year ≈ 88.0441337 days

0.241216804711 years ≈ 88.0441337 days ≈ 88 days

Mercury's orbital period, P ≈ 88 days.

Answer:

Explanation:

The weight of a body is defined as the force with which it is attracted towards the centre of a planet. A spring balance measures it. It's unit is Newton ( N ) in the SI system and dyne in the CGS system.

Hope I helped!

Best regards!

Weight is force.

The CGS unit of force is the dyne.

The SI unit of force is the Newton.

Scientists believe that light is made of streams of particles, called photons, because of their observed behavior. In certain experiments, such as the photoelectric effect, it was found that light behaves more like a particle than a wave. For example, light can knock electrons out of atoms, which would require a particle-like behavior. Additionally, the energy of each photon is directly proportional to its frequency, which is a characteristic of particles. The behavior of light in other experiments, such as the double-slit experiment, can also be explained by the wave-like behavior of photons. Therefore, scientists have concluded that light has both particle and wave-like properties, known as wave-particle duality.

While this answer may provide helpful information for your assignment, it is important to remember that using it verbatim could be seen as plagiarism. To avoid this, it is best to use your own words and properly cite any sources used. This will ensure that you are giving credit to the original author and presenting your own unique perspective on the topic.

~~~Harsha~~~

Answer:

Her displacement is 0 miles and her distance is 5 miles.

Explanation:

Given information:

Sophie runs in an oval track. The length of track is 5 m.

Distance is the total length of path covered during motion while displacement is the shortest distance between initial and final position.

In this case, Sophie completes one cycle in the oval track and the track length is 5 m. So, the distance covered by her will be 5 m.

Now, after completing the track, the initial and final position of Sophie will be same and hence, the displacement she covered will be 0 miles.

Therefore, option "Her displacement is 0 mile and her distance is 5 miles" is correct.

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The displacement of Sophie is 0 and her distance is 5 m

The displacement of Sophie is the change in her position.

If she runs in an oval track, she will return to her initial starting position. The initial position and the final position will be equal, the change in her displacement will be zero.

\(\Delta x = x_f- x_i\\\\\Delta x = 5 - 5 = 0\)

The distance traveled by Sophie is the sum of the total distance covered.

distance = 5 m

Thus, the displacement of Sophie is 0 and her distance is 5 m

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Explanation:

50 meters north in 10 seconds.

speed = distance ÷ time = 50 meters ÷ 10 seconds = 5m/s

20 drops per millilitre. Example: To convert 15 drops to millilitres, multiply by 0.05 to get 0.75 mL.

A drop is a unit of volume commonly used in medicine and cooking. The volume of a single drop can vary depending on factors such as the size of the dropper or the liquid being measured, but a commonly accepted standard is that one drop is equal to approximately 0.05 milliliters (mL).

It's important to note that relying on drops as a precise measurement can be problematic, as variations in dropper size, liquid viscosity, and other factors can cause significant variations in the actual volume of a drop. For this reason, it's often more accurate to use graduated measuring devices like syringes or graduated cylinders when precise measurements are required.

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The total energy of the body at evevry point is remained same due to the law of conservation of energy. Distance from A to B and final velocity of the ball just reach before C is 44.3 m/s.

d (distance) from A to B is = √2gh

In this case given are, g = 9.8 m/s² and h = 100m,

so here d = √(2⋅9.8⋅100) = 44.3m.

Final velocity ,v = √2gh

Here given are , v is the velocity, g is the acceleration due to gravity, and h is the height. In this case,

g = 9.8 m/s² ,h = 100m,

v = √(2⋅9.8⋅100)

= 44.3 m/s (final velocity)

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Answer:

1.A

2.C

3.B

4. i.dk about that one

Explanation:

1. It is true that Tracking your exercise can help you stick with an exercise routine.

2. Yes, it is best to do as many different kinds of exercise as possible.

3. Building muscle strength helps with all aspects of fitness

4. Yoga would be the best exercise to achieve this goal.

Exercise is any activity that utilizes the physical movements of the body that improves a people's health, endurance, and wellbeing while lowering their chance of contracting illnesses. It enables the person to keep their body weight in a healthy weight range.

The benefits of fitness fluctuate depending on the sort of dying a person experiences. Even if a muscle is stretched, excessive sitting can cause a number of illnesses, many of which are fatal. The individual should engage in mobility activities as well as exercising to improve their stamina.

Thus, exercise is very necessary for health.

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Answer:

c

3 half lifes have passed to get to 1/8

1/2 then 1/4 then 1/8

so 15*3

Explanation:

After driving around and undergoing a displacement of Δrx =22.3 km and Δr y =−15.1 km, a driver finds herself at position r 2x =−32.7 km and r 2y =15.3 km. What were the components of the driver's initial position vector, r 1x and r1y, in kilometers? r 1x = -55 km r 1y = 30.4 km

To find the components of the driver's initial position vector r1x and r1y, we will use the displacement vector equation:

r2 = r1 + Δr

where r1 is the initial position vector, r2 is the final position vector, and Δr is the displacement vector.

The given displacement vector components are Δrx = 22.3 km and Δry = -15.1 km, and the final position vector components are r2x = -32.7 km and r2y = 15.3 km.

We will solve for the components of the initial position vector r1x and r1y using the displacement vector equation:

1. r1x + Δrx = r2x
2. r1y + Δry = r2y

Substitute the given values into the equations:

1. r1x + 22.3 = -32.7
2. r1y - 15.1 = 15.3

Now, solve for r1x and r1y:

1. r1x = -32.7 - 22.3 = -55 km
2. r1y = 15.3 + 15.1 = 30.4 km

The components of the driver's initial position vector are r1x = -55 km and r1y = 30.4 km.

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Answer:

just followed :)

Explanation:

On the Earth, these convection cells form because of the unequal heating of the Earth and changes in pressure. Option C is correct.

A convection cell is a phenomenon that happens when there are density changes inside a liquid or gaseous medium.

The essential characteristics of a convection cell are rising and/or falling currents, which are caused by density variations.

These convection cells arise on Earth as a result of the Earth's uneven heating and pressure variations.

On the Earth, these convection cells form because of the unequal heating of the Earth and changes in pressure.

Hence,option C is correct.

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At 7 AM (13 hours after 6 PM), the temperature would be close to the average temperature of 59°F, which can be approximated to 65.9°F.

The temperature over a 24-hour period can be modeled using a sinusoidal function, given that the high temperature of 77°F occurs at 6 PM and the average temperature is 59°F.

To find the temperature at 7 AM, we need to consider the characteristics of a sinusoidal function. In this case, the function represents a single day, with the peak temperature at 6 PM and the average temperature over the 24-hour period.

Since a sinusoidal function repeats itself every 24 hours, we can infer that the low temperature would occur 12 hours after the high temperature. Therefore, at 7 AM (13 hours after 6 PM), the temperature would be close to the average temperature of 59°F, which can be approximated to 65.9°F.

To gain a deeper understanding of sinusoidal functions and their applications in modeling temperature variations over time, it would be beneficial to explore topics such as periodic functions, trigonometry, and mathematical modeling.

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