Which of the following is an example of an immiscible liquid?
1. oil and water
2. water and juice
3. sugar and water
4.water and food coloring
PLEASE ANSWER FAST AND I WILL CHOOSE AS BRAINLIEST.
35 POINTS!!!!

Answer:

Inertia

F=ma

Action, reaction

All of the above

A heavy object requires more force to push than a lighter object.

NASA's Europa Clipper mission recently made a ground-breaking discovery regarding Jupiter's moon Europa that has given scientists fresh information on the possibility of life existing elsewhere in the universe.

Thus, The mission, scheduled to launch in the coming years, aims to investigate the dynamics of Europa's flimsy atmosphere as well as its frozen surface and subterranean ocean.

The icy crust of the moon appears to be evolving and changing constantly, according to the most recent data acquired by the powerful instrumentation and imaging systems on board the Europa Clipper mission.

These plumes, which the Hubble Space Telescope discovered during earlier investigations, point to the existence of a deep ocean.

Thus, NASA's Europa Clipper mission recently made a ground-breaking discovery regarding Jupiter's moon Europa that has given scientists fresh information on the possibility of life existing elsewhere in the universe.

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The question seems incomplete, The complete question is :

This is where you are to make your first Current Event post and reply. You must make 1 original post and reply to at least 1 other student's post. The article you choose should focus on the topics covered in class (solar system stuff). "Current" in this case means within the last 6 months or so and you may not use the same event/article as another student. An example post has been made for you.

Explanation:

\(Σf = ma\)

This means the sum of all forces acting on an object = mass times accleration so first, let find the ma.

The mass is 9 kg and the acclereation is 2.0 m/s^2.

\(Σf = 9(2)\)

which equals

18 N.

So the mass times accleration equal 18 N.

So now what are forces acting on the box?

Since the box isn't levitationg nor falling, the vertical forces, mg and normal force cancel out to 0. so we only have horinzontial forces.

The push force is 20 N and the friction force is considered negative so we have

\(p - f = 18\)

p is 20 so we get

\(20 - f = 18\)

\( - f = - 2\)

\(f = 2\)

So the friction force is 2 N

p is the push force and that us

For the free body diagram, draw a square, and draw arrows from the center of the square in all 4 ways.

Make sure the vertical arrows are equal in length to show they cancel out.

The right horinzontial arrow should be 20 N and the left arrow should be 2 N

The force of friction on the wagon is equal to 2.0 N.

Frictional force can be defined as the force generated by two surfaces that contact and slide against each other. Frictional forces are affected by the angle, the surface texture, and the position of the object.

Friction can be defined as the force that slows down the movement when one surface comes in contact with another surface. The mechanical advantage decreases by friction the ratio of output to input is reduced because of friction.

The fractional force can be expressed as follows:

F = μ mg

Given, the mass of the wagon, m = 9.0 Kg

The acceleration of the wagon, a = 2.0 m/s²

The applied force on the wagon, F = 20 N

The frictional force can be calculated as:

\(F - F_k = ma\)

\(F_k= F-ma\)

\(F_k\) = 20 - 9 × 2.0

\(F_k = 2.0 N\)

Therefore, the force of friction is 2.0 N.

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By using the concept of Thermodynamics, we come to know about that kinetic energy changes directly proportional in same ways with the temperature changes.

We know that Kinetic Energy (K.E.) is equal to =\(\frac{1}{2}\)×m×\(v^{2}\), where m is the mass of molecules and v is the speed of the molecules with which they are moving,

When temperatures increases, intermolecular forces starts decreasing due to that collision among the molecules also increases, and their speed also increases, due that Kinetic energy also increases.

When temperatures decreases, intermolecular forces starts increasing due to that collision among the molecules also decreases, and their speed also decreases, due that Kinetic energy also decreases.

Hence, kinetic energy changes directly proportional with the heat rate at different temperature.

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The work done in lifting a 1000 N crate 3.0 m high is 3000 Joules (J).

Here, we have been told that the mass of the crate is = 1000 N (i)

We have to lift up the crate to a height of = 3.0 m (ii)

The mass of the crate is given here in Newtons which is also the SI unit of Force.

We know that work is the product of force and distance moved in the direction of the force. The formula used for calculating the work done is

= W = Force * Distance moved (iii)

Using the values of (i), (ii) and putting them in the given formula (iii), we get = W = (1000)*(3)

= W = 3000 Joules

Therefore, we know that the work done in lifting a crate of mass/force to a height of 3.0 m is 3000 J.

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Answer:

25 joules

Explanation:

Not sure I understood correctly but since 15 are taken up by mechanical energy and 10 are taken in by electrical, 50-10-15 would result in 25 joules which must belong to heat energy

Answer:

the answer is D

Explanation:

Answer:

The answer is D

Explanation:

yes

Answer:

A) d_o = 20.7 cm

B) h_i = 1.014 m

Explanation:

A) To solve this, we will use the lens equation formula;

1/f = 1/d_o + 1/d_i

Where;

f is focal Length = 20 cm = 0.2

d_o is object distance

d_i is image distance = 6m

1/0.2 = 1/d_o + 1/6

1/d_o = 1/0.2 - 1/6

1/d_o = 4.8333

d_o = 1/4.8333

d_o = 0.207 m

d_o = 20.7 cm

B) to solve this, we will use the magnification equation;

M = h_i/h_o = d_i/d_o

Where;

h_o = 3.5 cm = 0.035 m

d_i = 6 m

d_o = 20.7 cm = 0.207 m

Thus;

h_i = (6/0.207) × 0.035

h_i = 1.014 m

With merely a 2. 3 m/s beginning velocity, a horizontally dart launch accelerates upward at a rate of -9.8 m/s².

The rate at which speed and distance for velocity vary over time is known as acceleration. Anything is said to have been accelerated when it goes quicker or slower in a single direction.

When an item accelerates positively, it moves more quickly than it did before. In the first instance, the moving automobile showed positive acceleration. The acceleration is accelerating in a way that is comparable with the direction in which the vehicle is speeding up and velocomotion is accelerated in a route that is compatible with the direction in which the vehicle is

Let's say a body of mass (m) is shot from a height (h) above surface of the planet. As it descends at a faster rate, it eventually reaches the ground.

Under the influence of gravity, which is acting at a distance r from the earth's core, the body begins to accelerate in that direction.

Then, ma = GMm/r²

a = GM/r²

Therefore, the value of the acceleration due to gravity (g) = GM/r2.

Any object freely falling to the surface of the earth has acceleration due to gravity is 9.8m/s².

The earth's gravitational attraction is felt by the object if it shifts away from the planet's surface. Dart's vertical acceleration is therefore equivalent to -g.

As a result, the dart's vertical acceleration is equivalent to -9.8m/s2.

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Explanation:

the answers are calculated in above pictures

For example on earth a 70kg person would weigh 686N (70kg x 9.8 ) whereas on the moon, where the gravitational acceleration is about 1.62 , that same 70kg person would weigh 113N. This means on a pair of scales calibrated for earth they would measure 11.5kg. G-force is another name for the acceleration due to gravity.

Answer:

-4.33m/s

Explanation:

Using the law of conservation of momentum

m1u1+m2u2 = (m1+m2)v

m1 and m2 are the masses

u1 and u2 are their respective velocities

v is the final velocity

From the question;

m1 = 4000kg

m2 = 6000kg

u1 = 4m/s

u2 = ?

v =-1m/s

Substitute into the formula and get u2

4000(4)+6000u2 = (4000+6000)(-1)

16000 + 6000u2 = -10000

6000u2 = -10000-16000

6000u2 = -26000

6u2 = -26

u2 = -26/6

u2 = -13/3

u2 = -4.33m/s

Hence the velocity of the truck is -4.33m/s

Answer:

7.2375m/s^2

Explanation:

initial velocity=-25 km/h=-6.94m/s

final velocity=35 km/h=9.72m.s

distance=3.2m

v^2=u^2+2as

9.72^2=-6.94^2+2a*3.2

94.48=48.16+6.4a

(94.48-48.16)/6.4=a

7.2375m/s^2

A diverging lens has a focal length that has a magnitude of 33.0 cm. an object is placed 21.0 cm in front of this lens. The magnification will be  -12.833 cm

diverging lens = concave lens

focal length = - 33 cm

u = - 21 cm

magnification = image distance / object distance

using lens formula

1/v - 1/u = 1/f

1/v = 1/f + 1/u

    = 1/-33 -1/21

v   = -12.833 cm

A diverging lens has a focal length that has a magnitude of 33.0 cm. an object is placed 21.0 cm in front of this lens. The magnification will be  -12.833 cm

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A bulk mean temperature of 25°C for air can be considered a reasonable assumption in many cases, but it depends on the specific context and location.

The assumption of a bulk mean temperature of 25°C for air can be a reasonable approximation in certain scenarios. However, it is important to note that air temperatures vary significantly based on factors such as geographic location, time of year, and local climate patterns. In some regions and during certain seasons, an average temperature of 25°C might be quite accurate.

For example, in tropical regions or during summer months in temperate areas. However, in other locations or during different seasons, this assumption may not hold true. In colder climates or during winter months, the average air temperature could be significantly lower than 25°C. Similarly, in hotter regions or during heatwaves, the average temperature might be considerably higher. Therefore, when considering the bulk mean temperature of air, it is essential to take into account the specific circumstances and obtain accurate data for the particular location and time period of interest.

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Answer:

Average speed = 541.67 mph

Explanation:

Main answer: False.

The short-run aggregate supply curve is not always vertical, but it can be depending on the circumstances of the economy.

The short-run aggregate supply curve represents the relationship between the overall price level and the quantity of goods and services that firms are willing to supply in the short run, holding other factors constant. In the short run, some factors of production are fixed, so firms may not be able to increase production in response to a higher overall price level. However, if wages and other input prices adjust quickly to changes in the overall price level, the short-run aggregate supply curve may be upward sloping rather than vertical.

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Venus completes around 3 orbits for every orbit of Mars, given their respective orbital periods of 0.615 years and 1.88 years.

Venus and Mars have different orbital periods, with Venus completing one orbit around the Sun in approximately 0.615 years, while Mars takes about 1.88 years to complete its orbit. To determine the number of Venus orbits for each Mars orbit, we can divide the orbital period of Mars by that of Venus.

By dividing the orbital period of Mars (1.88 years) by the orbital period of Venus (0.615 years), we get approximately 3.06. This means that Venus completes about 3 orbits for each orbit of Mars.

Venus and Mars are both planets in our solar system, and each has its own unique orbital period, which is the time it takes for a planet to complete one orbit around the Sun. The orbital period of Venus is approximately 0.615 years, while the orbital period of Mars is about 1.88 years.

To determine the number of orbits Venus makes for each Mars orbit, we divide the orbital period of Mars by the orbital period of Venus. In this case, we divide 1.88 years (the orbital period of Mars) by 0.615 years (the orbital period of Venus).

The result of this division is approximately 3.06. This means that Venus completes approximately 3 orbits for every orbit that Mars completes. In other words, as Mars is completing one orbit around the Sun, Venus has already completed about 3 orbits.

This difference in orbital periods is due to the varying distances between the planets and the Sun. Venus orbits closer to the Sun than Mars, which results in a shorter orbital period for Venus compared to Mars.

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Answer:

Workdone = 40 Nm

Explanation:

Force = 20 Newton

Distance = 2 meters

To find the work done;

Mathematically, work done is given by the formula;

Workdone = force * distance

Workdone = 20 * 2

Substituting into the formula, we have;

Workdone = 40 Nm

We would need approximately 45,420 wire turns to produce a 13.5 mT magnetic field inside the toroidal solenoid at a distance of 10.5 cm from its center.

The magnetic field inside a toroidal solenoid is given by:

B = (μ0 * N * I) / (2 * π * r)

where B is the magnetic field, μ0 is the permeability of free space, N is the number of wire turns, I is the current, and r is the radial distance from the center of the toroid. In this case, we want to find N, so we can rearrange the equation to solve for it:

N = (2 * π * r * B) / (μ0 * I)

Plugging in the given values, we get:

N = (2 * π * 0.105 m * 13.5 T) / (4 * π * 10^-7 T·m/A * 20.3 A)

N ≈ 45,420 turns

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Answer:

Compounds are two or more elements chemically combined in definite proportions by weight.

Mixtures are two or more substances not chemically combined.

Explanation:

Hope this helped Mark BRAINLIEST!!!

Answer:

A mixture can be separated by physical means

Explanation:

The answer is 118 J :)

Explanation:

38 +80 = 118.

The test statistic (Z-score) is approximately 4.95.

To calculate the test statistic (Z-score) for this hypothesis test, we can use the formula:

Z = (sample mean - hypothesized population mean) / (standard deviation / sqrt(sample size))

Sample mean (X-bar) = 37

Hypothesized population mean (μ) = 30

Standard deviation (σ) = 8

Sample size (n) = 50

Substituting these values into the formula, we get:

Z = (37 - 30) / (8 / sqrt(50))

Z = 7 / (8 / 7.071)

Z = 7 / 1.414

Z = 4.95 (rounded to two decimal places)

A statistical hypothesis test is a technique for determining if the available data are sufficient to support a certain hypothesis. We can make probabilistic claims regarding population parameters using hypothesis testing.

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Answer: Most aerobic and strength training programs cause your muscles to contract and tighten. So stretching after you exercise helps optimize the range of motion about your joints and boosts circulation.

Hope this helps!

When we Click Play() the motion of a transverse wave is from left to right and when we Click Reset() the motion of a wave and hand both is left to right.

Wave motion is the regular and orderly movement of disturbances, or departures from equilibrium or rest, from one location to another. The most well-known waves are surface waves on water, but waves can also be seen in sound waves, light waves, and subatomic particle movements.

When we Click Play() the motion of a transverse wave will be from left to right but the movement of particles will be up and down and in conclusion the wave moves left and right and the hands move up and down.

Now, when we Click Reset() and choose the Longitudinal wave and increase the Amplitude to 20. 0 cm. and then  Click Play the motion of the longitudinal wave and the hand both is left to right.

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Given

Time taken is t=8 s.

The initial speed is u=7 m/s

The final speed is v=9 m/s.

To find

The acceleration

Explanation

We know the acceleration is the ratio of the difference in the speed to the time taken.

Thus,

Conclusion

The acceleration is

Answer:

Elastic Potential Energy because a rubber band that is stretched has elastic potential energy, because when released, the rubber band will spring back toward its resting state, transferring the potential energy to kinetic energy in the process.

Explanation:

Part 1: The number of pathways in a circuit determines the possible routes for electric current to flow.

There are maximum of five pathways in this circuit, depending on its complexity and the arrangement of components.

Part 2: Determining whether the circuit is series or parallel requires more information.

In a series circuit, components are connected in a single path, and the current flows through each component sequentially.

If the circuit has only one pathway (zero or one pathway), it suggests a series circuit.

However, if the circuit has multiple pathways (two or more pathways), it indicates a parallel circuit.

To conclusively determine the circuit's nature, we need to analyze the circuit diagram or obtain additional details regarding the component connections and their interactions.

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Answer:

a. Walking burns up more energy.

b. 1740 kJ

c. This is because more intense exercise releases a lot of energy in a short period of time, whereas, less intense energy releases it energy gradually over a long period of time.

Explanation:

a. We know energy W = Pt where P = power and t = time.

Now for walking, t = d/v where d = distance = 5.00 km and v = speed = 3.00 km/hr and P = 290 W

So, t = d/v = 5.00 km/3.00 km/hr = 5/3 hr = 5/3 × 3600 s = 6000 s

W = Pt = 290 W × 6000 s = 1740000 = 1740 kJ

Now for running, t = d/v where d = distance = 5.00 km and v = speed = 10.00 km/hr

So, t = d/v = 5.00 km/10.00 km/hr = 0.5 hr = 0.5 × 3600 s = 1800 s and P = 700 W

W = Pt = 700 W × 1800 s = 1260000 = 1260 kJ

Since walking burns up 1740 kJ and running burns up 1260 kJ, walking burns up more energy.

b. It burns up 1740 kJ

c. This is because more intense exercise releases a lot of energy in a short period of time, whereas, less intense energy releases it energy gradually over a long period of time.