Drag the correct object from the left to the statement that goes with it at the right. Use each choice only once. ResetHelp generates energy deep in its core through the fusion of hydrogen into helium has a single moon that is surprisingly large compared to its planet. is orbited by at least two geologically active moons: Titan and Enceladus. has a large moon, Triton, that almost certainly once orbited the Sun independently. has a surface hot enough to melt lead as a result of an extremely strong greenhouse effect. has an axis tilt that gives it very extreme seasons. was studied up close in 2015 by the New Horizons spacecraft. has no surface liquid water today, but shows clear evidence of such water in the distant past. has a famous storm known as the Great Red Spot. is similar in size to Pluto and also considered a dwarf planet. has a greater difference in temperature between its day and night sides than any other world.

Answer:

A) Variety of Living Things

Explanation:

Biodiversity is defined as the variety of life in the world or in a particular habitat or ecosystem.

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The coil wrapped around the outside of the solenoid should have 6 turns so that the emf induced in the coil is 15 v.

Given,

Diameter of solenoid, d = 27 cm;  Radius, r = 13.5 cm = 0.135 m;  Magnetic field, B = 2.4 T;  Number of turns of coil outside the solenoid, N;  Emf induced, V = 15 V.

The formula for calculating emf is given by;

e = −N dB/dt

Where, e = induced emf, N = number of turns,  dB/dt = rate of change of magnetic field

Rearranging the equation;

N = − e / ( dB/dt )

Solving for N;

N = − e / ( dB/dt )

N = − ( 15 V ) / ( 2.4 T/s )

N = - 6.25 turns

The number of turns of the coil outside the solenoid should be 6.25. Since this is not possible, we round off to the nearest integer, which is 6.

Therefore, the coil wrapped around the outside of the solenoid should have 6 turns so that the emf induced in the coil is 15 V.

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The speed of the object is 10 meters/second.

Speed is defined as the rate at which an object covers distance. It is a scalar quantity, which means that it only has a magnitude (i.e., size) and no direction. The SI unit for speed is meters per second (m/s).

To calculate speed, we need to know the distance traveled and the time it took to cover that distance. In this case, we were given that the object traveled 200 meters and took 20 seconds to do so. We then used the formula:

speed = distance / time

To calculate the speed of the object. We divided the distance traveled by the time it took to travel that distance to find the speed.

Substituting the given values into the formula, we get:

speed = 200 meters / 20 seconds

This simplifies to:

speed = 10 meters/second

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Answer:

3

Explanation:

let the number be x

perform and forming expression

12 is added

=12 + x

4 is multiplied to expression

= 4 (12 + x)

result is 60

equating

4(12 + x) = 60

48 + 4x=60

4x = 60-48

4x = 12

x= 12/4

x= 3

The positive charge of 10⁻⁶C is placed on an insulating solid conducting sphere, the charges are acquired by the sphere by using Gauss law. Thus, option E is correct.

When a point charge is placed over the insulated solid sphere, the charges are accumulated uniformly on the outer surface of the sphere by means of Gauss law. It states that the electric flux throughout any closed surface is zero.

From the given option- A) The charges are uniformly distributed on the outer surface of the sphere and not throughout the sphere. From B) The electric field inside the sphere is zero. From C) Electric field increases with the decrease of distance, E= kQ / r². In D) When an insulated metal is brought near to it, it doesn't acquire any charge.

From E) When a second conducting sphere is connected by a  conducting wire to the first one, a charge gets transferred. The charges are transferred until the electric potential between the two spheres is the same.

Thus, the ideal solution is option E.

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Answer: gravity

normal force

friction

Explanation:

A force is refered to as the interaction which when unopposed, will lead to a change in an objects motion. The velocity of an object will be changed when force is applied.

Since Alisa s riding down a hill and she and the skateboard are considered to be a single object, then the forces that are acting on her include gravity, normal force and friction.

Given what we know about the speed of light, we can confirm that a single ray of light would take 1.3 seconds to travel from the Moon to the Earth.

Therefore, since the Moon sits at a distance of 390 million meters from the Earth, and the fact that light travels at approximately 300 million meters per second, we can confirm that light from the moon takes roughly 1.3 seconds to reach Earth.

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Answer:

Explanation:

In physics, work can be described as force multiplied by the displacement of the object (distance caused by the force acted on the object).

Work is a form of energy, therefore, it is measured in joules.

If Alex pushed on an object with 10N of force, and the object moved 2 meters, the work of Alex will be equal to:

W = Ft

W = 10N * 2m

W = 20 Joules

But, if we have John, that pushed on an object with 2N of force, but, since the object was way smaller, therefore it had way less inertia, the object moved a distance equal to 10 meters. Let's also calculate his work.

W = Ft

W = 2N * 10m

W = 20 Joules

And we got the same result.

Work can also be used to calculate power.

Power is equal to P = Work / time

It can also be written as P = delta Work / delta time

Power is measured in joules per second.

With power you can make the difference between someone that got a 2 kg object up in 2 second, and someone that got a 2 kg object up in 5 second.

The more powerful one would be the one who managed to make the same work in less time.

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Work is described as: the measure of energy transfer resulting from the application of force over a displacement.

In the field of physics, work is most accurately defined as the outcome of multiplying the force exerted on an object by the distance the object is displaced in the same direction as the force.

This calculation serves to quantify the energy transferred to or from the object. For instance, if an individual applies a 50 Newton force to push a box across a 5-meter distance in the force's direction, the work done on the box would equal 250 Joules (50 N × 5 m).

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Complete Question:

A long distance runner running a 5.0km track is pacing himself by running 4.5km at 9.0km/hr and the rest at 12.5km/hr. What is the average speed?​

Answer:

Average speed = 9.7333 km/h

Explanation:

Given the following data;

To find the average speed;

First of all, we would determine the time taken to cover distance A in speed A by using the formula;

\( Time \ A = \frac {Distance \; A}{Speed \; A} \)

Substituting the values into the formula, we have;

\( Time \ A = \frac {4.5}{9.5} \)

Time A = 0.4737 hours

Total distance = distance A + distance B

5 = 4.5 + distance B

Distance B = 5 - 4.5

Distance B = 0.5 Km

Next, we would determine the time to cover distance B in speed B;

\( Time \ B = \frac {0.5}{12.5} \)

Time A = 0.04 hours

Total time = time A + time B

Total time = 0.4737 + 0.04

Total time = 0.5137 hours

Now, we would solve for the average speed;

Mathematically, the average speed of an object is given by the formula;

\( Average \; speed = \frac {total \; distance}{total \; time} \)

\( Average \; speed = \frac {5}{0.5137} \)

Average speed = 9.7333 km/h

Speed of light in vacuum = 3.0 × 10⁸ m/s

Speed of light in water = 2.25 x 10⁸  m/s

Refractive index of water = ?

We know that  

Refractive index of water = \(\frac{Speedoflightinvacuum}{speedoflightinwater}\)

Refractive index of water =  \(\frac{3*10^{8} }{2.25*10^{8} } =1.33\)

To find the probability of each defect, we divide the frequency of each defect by the total frequency of all defects.

The probability of each defect is found by dividing the frequency of that particular defect by the total frequency of all defects. The total frequency of all defects is calculated by summing up the frequencies of all the defects. Then, the frequency of each defect is divided by the total frequency to obtain the probability.

For example, to find the probability of Excess adhesive, we divide its frequency (190) by the total frequency of all defects (822). Similarly, we calculate the probability for each defect by dividing its frequency by the total frequency.

These probabilities represent the relative likelihood of each defect occurring out of the total defects observed on the printed circuit board.

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Generates radioactive waste Radiation isn't hazardous in small doses, but radioactive waste produced during the generation of nuclear energy is extremely toxic. Nuclear power plants have a significant difficulty in the form of radioactive waste storage. Nuclear reactors, fuel processing plants, hospitals, and research centers all produce radioactive (or nuclear) waste.

While deconstructing and dismantling nuclear reactors and other nuclear facilities, radioactive waste is also produced. Uranium tailings, transuranic (TRU) waste, low-level, intermediate-level, high-level, and spent fuel rods are some of the different kinds of nuclear waste. Numerous operations, such as nuclear power generation, rare-earth mining, nuclear medicine, nuclear research.

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Answer:

Answer below in pic

I hope my answer helps you.

Answer:

I totally agree with what the person above me said.It is correct

The total momentum before the collision is -2.0kgm/s.

What is momentum?

This can be defined as the product of the mass and velocity of an object.

what is the formula for calculation momentum?

momentum Ρ= mass*velocity

                      =m*v

Given in the equation:

m₁=2.0kg

v₁=-1.0m/s

Calculating the first momentum i.e momentum before collision:

Ρ₁=m₁*v₁

   =2.0kg*-1.0m/s

   Ρ₁ =-2.0kgm/s

Given in the equation:

m₂=200.0kg

v₂=15.00m/s

Calculating the second momentum:

Ρ₂=m₂*v₂

    =200.0kg*15.00m/s

    =3,000kgm/S.

Hence the total momentum before the collision will be the first momentum i.e Ρ₁ =-2.0kgm/s

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Answer:

-2.0kgm/s

Explanation:

The other guy said so

If instead of a single wire we use a coil of thick copper wire containing 24 turns, then the voltmeter reads 120 V.

A voltmeter is also known as a voltage meter. It is an instrument used for measuring the potential difference or voltage between two points in an electrical circuit.

Emf of a solenoid is given by formula:

E= - N (dФ/dt)

Where,

N is Number of turns;

Ф is  Magnetic flux and t is time taken

The negative sign indicates the direction of flow or polarity.

It can be seen clearly that the induced emf is directly proportional to the number of turns.

So, if the initial voltage is given 5 volts at a set number of 24 turns, the voltmeter reads:

= E *N

= 5 * 24

Voltmeter reads = 120 volts.

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The total amount of water vapor in the atmosphere remains approximately the same over time.

The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Water in different phases moves through the atmosphere (transportation). Liquid water flows across land (runoff), into the ground (infiltration and percolation), and through the ground (groundwater). Groundwater moves into plants (plant uptake) and evaporates from plants into the atmosphere (transpiration). Solid ice and snow can turn directly into gas (sublimation). The opposite can also take place when water vapor becomes solid (deposition).

In conclusion, water continually evaporates, condenses, and precipitates, and on a global basis, evaporation approximately equals precipitation. Because of this equality, the total amount of water vapor in the atmosphere remains approximately the same over time.

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The length of the sides of the square loop is approximately 8.85 cm.

This can be determined using the equation for the torque on a current-carrying loop in a magnetic field, and solving for the length of the sides of the loop. The equation involves the magnetic field strength, the number of turns in the loop, the current through the loop, and the angle between the magnetic field and the plane of the loop. Given the values provided in the problem, the equation can be rearranged to solve for the length of the sides of the square loop. The solution can then be converted to centimeters

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The age of the cloth material is obtained from the calculation as  1843 years .

We know that the half life of a radioactive isotope refers to the time that is taken for only half of the number of the original radioactive isotopes that are present to remain in the sample.

We can be able to obtain the age of the cloth by looking at the amount of the radioactive carbon -14 that is still left in the sample. How do we do that? We have to turn to a formula that says;

0.693/\(t_{\frac{1}{2} }\) = 2.303/tlog (Ao/A)

\(t_{\frac{1}{2} }\) = half life of the material

t = age of the material

Ao = amount initially present

A = Amount present at time t

Then we have;

0.693/5730 = 2.303/tlog (Ao/0.8Ao)

1.21 * 10^-4 = 0.223/t

t = 0.223/1.21 * 10^-4

t = 1843 years

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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:

Answer:

125 m

Explanation:

i just did the edpuzzle

Answer:

To find the distance the car traveled before coming to a halt, we can use the formula:

distance = initial velocity x time + (1/2) x acceleration x time^2

In this case, initial velocity is 15m/s², time is 5 seconds, and acceleration is -15m/s² (negative because the car is decelerating to a stop).

So, distance = 15m/s² x 5 seconds + (1/2) x -15m/s² x (5 seconds)^2

The distance the car traveled before coming to a halt is approximately 168.75 meters.

Answer:

It's change will form the nitride ion

The speed of the plane and pilot before the pilot jumps is 17.8 m/s.

We know that the principle of conservation of linear momentum states that the total momentum of a system is constant. This means that the momentum "before" and "after" must be equal.

Thus;

Momentum before = (114 Kg + 60.0 kg) v

Momentum after = (60.0 kg × -5.32 m/s) + (114 Kg × 3.40 m/s)

Hence;

(114 Kg + 60.0 kg) v = 3100.8

v = 3100.8/(114 + 60.0)

v = 17.8 m/s

The speed of the plane and pilot before the pilot jumps is 17.8 m/s.

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The machine's efficiency is 81.61%, indicating that it converts 81.61% of the input energy into useful output energy, while the remaining percentage is lost as waste or dissipated in the process.

To calculate the efficiency, we can use the formula:

Efficiency = (Actual Output / Design Capacity) × 100

Given:

Actual Output = 7,407

Design Capacity = 9,050

Substituting the values into the formula:

Efficiency = (7,407 / 9,050) × 100

          = 0.817 × 100

          = 81.61%

Therefore, the efficiency of the machine is 81.61%.

Efficiency is a measure of how effectively a machine or system is utilizing its available capacity. In this case, the machine has a design capacity of 9,050 units, but it only produced an actual output of 7,407 units.

By dividing the actual output by the design capacity and multiplying by 100, we find that the machine's efficiency is 81.61%. This indicates that the machine is operating at approximately 81.61% of its full capacity.

A higher efficiency percentage would indicate a more optimal utilization of the machine's capacity, while a lower percentage suggests room for improvement in maximizing output.

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The solution to the problems in correct significant figures are;

a. 10.8 g - 8.264 g = 2.536 g

b. 4.75 m - 0.4168 m = 4.3332 g

c. 139 cm x 2.3 cm = 319.7 cm²

d. 13.78 g/11.3 mL = 1.22 g/ml

e. 1.6 km + 1.62 m + 1200 cm =  1,613.62 m

Significant figures are used to establish the number which is presented in the form of digits.

a. 10.8 g - 8.264 g = 2.536 g

b. 4.75 m - 0.4168 m = 4.3332 g

c. 139 cm x 2.3 cm = 319.7 cm²

d. 13.78 g/11.3 mL = 1.22 g/ml

e. 1.6 km + 1.62 m + 1200 cm = 1,600 m + 1.62 m + 12 m = 1,613.62 m

Thus, the solution to the problems in correct significant figures are;

a. 10.8 g - 8.264 g = 2.536 g

b. 4.75 m - 0.4168 m = 4.3332 g

c. 139 cm x 2.3 cm = 319.7 cm²

d. 13.78 g/11.3 mL = 1.22 g/ml

e. 1.6 km + 1.62 m + 1200 cm =  1,613.62 m

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False. While multiplying force by distance gives the work done in certain scenarios, it is not universally true in all situations.

Work is defined as the product of force and displacement only when the force and displacement are in the same direction or parallel. In this case, the work done can be calculated using the formula W = F * d * cosθ, where F is the force applied, d is the displacement, and θ is the angle between the force and displacement vectors. When the force and displacement vectors are perpendicular, the work done is zero because there is no displacement in the direction of the force. Additionally, in cases where the force varies with distance or is applied at an angle to the displacement, more complex calculations or integration may be required to accurately determine the work done.

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a) The constant k for the canned drink is approximately 0.258.

b) The temperature of the soda drink after 30 minutes will be approximately 39°F.

c) The temperature of the soda drink will be 43°F after approximately 25 minutes

(a) To determine the constant k, we can use the formula T(t) = A + (T0 - A)e^(-kt).

Given that the temperature of the drink decreases from 71°F to 61°F in 5 minutes, and the refrigerator temperature is 36°F, we can plug in the values and solve for k:

61 = 36 + (71 - 36)e^(-5k)

Subtracting 36 from both sides gives:

25 = 35e^(-5k)

Dividing both sides by 35:

e^(-5k) = 0.7142857143

Taking the natural logarithm of both sides:

-5k = ln(0.7142857143)

Dividing by -5 gives:

k = -ln(0.7142857143) ≈ 0.258

Therefore, the constant k for the canned drink is approximately 0.258.

(b) To find the temperature of the soda drink after 30 minutes, we can use the formula T(t) = A + (T0 - A)e^(-kt). Plugging in the given values:

T(30) = 36 + (71 - 36)e^(-0.258 * 30)

Calculating this expression yields:

T(30) ≈ 39°F

Therefore, the temperature of the soda drink after 30 minutes will be approximately 39°F.

(c) To find the time at which the temperature of the soda drink reaches 43°F, we can rearrange the formula T(t) = A + (T0 - A)e^(-kt) to solve for t:

t = -(1/k) * ln((T(t) - A) / (T0 - A))

Plugging in the given values T(t) = 43°F, A = 36°F, and k = 0.258:

t = -(1/0.258) * ln((43 - 36) / (71 - 36))

Calculating this expression yields:

t ≈ 25 minutes

Therefore, the temperature of the soda drink will be 43°F after approximately 25 minutes.

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