Mark is pushing a box down the hall. Mark is using 5N to push the box 20m. How much work is Mark doing?

Answer:

Periods are 60 seconds, 60 minutes and 12 hours frequency are their reciprocal.

Explanation:

For second hand, period = 1 min = 3660 s; frequency = 0.0166

For minute hand, period = 1 hr = 3600 s; frequency = 2.77}

For hour hand, period = 12 hrs = 4300 s; frequency = 2.3}

Answer:

ggg

Explanation:

Answer:

Explanation:

Density=mass÷volume

=45÷3

=15

The capacity of the air at sea level on the leeward side of the mountain is higher than the air on the windward side of the mountain.  

This is because of the difference in temperature and moisture levels between the two sides of the mountain. As the air rises up the windward side of the mountain, it cools and becomes saturated with moisture, leading to the formation of clouds and precipitation.

By the time the air reaches the leeward side of the mountain, it has lost most of its moisture content and has become much drier and warmer. This process is known as the rain shadow effect.The capacity of the air on the leeward side of the mountain can be affected by a variety of factors, including the height and steepness of the mountain, as well as the prevailing wind direction and other weather patterns.

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1.  

Navigate to a search engine.

2.  

Form a question.

3.  

List the keywords.

4.  

Enter the keywords and press Enter.

The steps for conducting a basic search are put in the order below:

Step 1.  Navigate to a search engine.

Step 2.  Form a question.

Step 3.  List the keywords.

Step 4.  Enter the keywords and press Enter.

Basic research can be used to learn more about a particular issue; it might not produce an idea or a solution, but it can be used to develop theories and scientific understanding.

Fundamental information from basic research can be used to carry out applied research. Applied research is utilized to address relevant, concrete issues. Research into and examination of materials and sources with the goal of establishing facts and drawing new findings.

Therefore, the correct order is:

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The question is incomplete. Your most probably complete question is given below:

Form a question.

Enter the keywords and press Enter.

Navigate to a search engine.

List the keywords.

The tension when 18 skiers with an average mass of 48 kg hold onto the rope is 8,594.5 N.

The 22-kW engine pulls 18 skiers of normal mass 48 kg each up a 14° slope at a consistent speed. To decide the pressure in the tow rope, the gravitational power following up on the skiers is determined as (18 x 48 x 9.8) = 8,411.2 N. This power should be adjusted by the pressure force in the rope, which is equivalent to the power expected to move the skiers up the grade. The power result of the engine is equivalent to the work done per unit time, which can be determined utilizing the recipe Power = Power x Speed. Consequently, the strain force in the rope is determined as (22,000/120) = 183.3 N, which is the power expected to move the skiers up the grade at a steady speed. Hence, the pressure in the tow rope is 8,411.2 N + 183.3 N = 8,594.5 N.

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Answer:

erosion

Explanation:

For someone with a negative Weber slope for weight detection, it would be easier to tell the difference between 20 pounds and 21 pounds.

The Weber's Law states that the just noticeable difference (JND) between two stimuli is proportional to the magnitude of the stimuli. A negative Weber slope indicates that the JND decreases as the magnitude of the stimuli increases. In this case, as the weight increases, the person's ability to discriminate between the weights becomes easier.

Therefore, option C, telling the difference between 20 pounds and 21 pounds, would be easier for someone with a negative Weber slope for weight detection.

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Answer:

Electric potential energy

Explanation:

The Electric potential energy of a system is less than that carried out by electrostatic forces during the development of the system (as long as charges are initially cut infinitely).

The change in potential energy between an initial and final configuration  is equal to minus the work done by the electrostatic forces.

Answer:

car 1

Explanation:

Answer:

the mass of the car is very big

Explanation:

its heavy

Answer: on jupiter you would weigh the most  and on mars you would weigh the least

Explanation:

Equation of power in a electrical circuit is given as:

\( \bf P = I^2R\)

I → Current flowing through the circuit.

R → Resistance of the circuit

We need to calculate power when;

Current (I) = 0.02 A

Resistance (R) = 30 Ω

By substituting values in the equation, we get:

\( \rm \longrightarrow P = (0.02)^2 \times 30 \\ \\ \rm \longrightarrow P = 0.0004 \times 30 \\ \\ \rm \longrightarrow P = 0.012 \: W\)

\( \therefore \) Power in the circuit = 0.012 W

The volume you measure as the cube passes you at a high speed is approximately (c) V₀.

When an object is moving at relativistic speeds, its length in the direction of motion appears shorter due to length contraction. However, the volume of an object is not affected by length contraction alone. The volume is determined by multiplying the lengths of all three sides of the object. In this case, the cube is moving parallel to one of its sides, so its length in that direction will appear contracted. However, the other two sides of the cube remain unaffected. As a result, the volume of the moving cube will remain the same as the rest volume, V₀.

The Lorentz factor γ is approximately 5, which means the speed of the cube is 0.980c (where c is the speed of light). But the Lorentz contraction only affects length, not volume. Therefore, the volume you measure will be approximately equal to the original volume, V₀, and not significantly different from it.

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Answer:

Q = Q

mcT = ml

100 x 4.2 x 25 = (50-18) l

l = 328

*Hope it helps*

The specific latent heat of fusion of the melted ice is 328.13 J/kg.

The specific latent heat of fusion of the melted ice is determined by applying the principle of conservation of energy as shown below;

Heat lost by the water = Heat gained by the ice

McΔθ = mL

where;

(100)(4.2)(25) = (32)L

32L = 10500

L = 328.13 J/kg

Thus, the specific latent heat of fusion of the melted ice is 328.13 J/kg.

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By experimenting with different settings, you can increase the chances of seeing a complete circle rainbow.

To show children a complete circle of a rainbow using a stepladder, a lawn sprinkler, and a sunny day, you can follow these:

1. Find a suitable location: Choose an open area with a clear view of the sky and minimal obstructions like tall buildings or trees. This will ensure that the rainbow is visible and not obstructed.

2. Set up the stepladder: Position the stepladder securely in a stable spot, ensuring it is at a height that allows children to see over any nearby obstacles.

3. Connect the lawn sprinkler: Attach the lawn sprinkler to a hose and position it at the top of the stepladder. Make sure the sprinkler is pointing upwards towards the sky.

4. Turn on the water: Open the water supply, allowing the sprinkler to create a fine mist in the air. The sunlight will refract through the water droplets and form the rainbow.

5. Look for the rainbow: Instruct the children to stand at the base of the stepladder and look up towards the mist created by the sprinkler. They should position themselves so that the sunlight is at their back.

6. Observe the complete circle: If the conditions are right, the children should be able to see a complete circle of the rainbow surrounding the shadow of their heads on the ground. This circle is known as a "glory" and occurs when sunlight is reflected and refracted back towards the observer.

It's important to note that creating a complete circle rainbow with this method can be challenging, as it depends on various factors like the size of the water droplets and the angle of the sunlight. However, by following these steps and experimenting with different settings, you can increase the chances of seeing a complete circle rainbow.

Remember to emphasize the importance of safety when using a stepladder and to always supervise children during the activity.

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When a wire is carrying current, charges enter the wire at the positive terminal of the voltage source and exit at the negative terminal, keeping the overall charge at zero throughout the current's passage.

Charge moving across a conductor produces current. There is always the same number of electrons in a wire today. As a result of an equal amount of electrons entering and exiting the circuit simultaneously, current flows through the wire when electrons enter the circuit. Current flow may nevertheless be neutral with no overall charge.

Neutral wires do indeed carry current. In single-phase circuits, the current flows in the opposite direction from the "phase" or "line" or "hot" wire, but it is exactly equal to that current. Out of "line," into "neutral," back into "line," and finally back into "neutral" and back into "line" (since it is AC the direction reverses every cycle.)

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Answer:

34.55 m/s

Explanation:

The clock ticks at approximately 0.866 c relative to the laboratory.

Let's assume the laboratory is at rest and the clock is moving relative to it. We need to find the velocity at which the clock ticks at one quarter the rate of an identical clock at rest.

According to time dilation in special relativity, the time experienced by a moving object relative to an observer at rest is given by:

t' = t / sqrt(1 - v^2/c^2),

where t' is the time experienced by the moving clock, t is the time experienced by the clock at rest, v is the velocity of the moving clock, and c is the speed of light.

In this case, we want the moving clock to tick at one quarter the rate of the clock at rest. So we have:

t' = 1/4 * t.

Substituting this into the time dilation equation, we get:

1/4 * t = t / sqrt(1 - v^2/c^2).

Simplifying this equation, we find:

1/4 = 1 / sqrt(1 - v^2/c^2).

Taking the reciprocal of both sides, we have:

4 = sqrt(1 - v^2/c^2).

Squaring both sides, we get:

16 = 1 - v^2/c^2.

Rearranging the equation, we find:

v^2/c^2 = 1 - 16.

v^2/c^2 = -15.

Taking the square root of both sides, we have:

v/c = sqrt(-15).

However, the square root of a negative number is not physically meaningful in this context, so there is no real solution. This implies that there is no velocity at which the clock will tick at one quarter the rate of an identical clock at rest in the laboratory.

There is no velocity at which a clock will tick at one quarter the rate of an identical clock at rest in the laboratory. This result is consistent with the principles of special relativity, which indicate that time dilation can only result in time slowing down, not speeding up.

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(a) In the SI unit system, the units for power are:
 n, m, and s units: The SI unit for power is the watt (W), which is defined as 1 joule per second (J/s).

So, in n, m, and s units, the power would still be 2.8 W.

(b) In the SI unit system, the units for power can be expressed in terms of kilograms (kg), meters (m), and seconds (s). However, the unit for power in this system does not have a specific name.

So, in kg, m, and s units, the power would still be 2.8 W.

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Answer:

Yes. If a car travels in a circular path with constant speed, its motion is called uniform circular motion

Explanation:

please  

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Answer:

:)

Explanation:

The synonym of a word( observe, infer, repetition, replication and data) means another word that is nearest in meaning to the given word.

The synonym of the words given from the question is given below:

Therefore, synonym of a word means another word that is nearest in meaning to the given word.

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Answer:

Moderate apnea. Moderate apnea is defined as 15 to 29 episodes of apnea or reduced airflow to the lungs every hour. Symptoms may include drowsiness or falling asleep during activities that require some attention, such as attending a concert or a meeting. These symptoms may cause moderate problems with work or social functioning. Severe apnea.

Explanation:

Answer:

Explanation:

The sun sends out solar wind constantly - charged particles that can degrade visual sensors and the skin of spacecraft, and the occasional blast of a solar flare, which can send out clouds of charged ions that can disrupt communications and electronics on board probes and satellites.

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Answer:

One would need to know how far apart the towns are:

T = SA / 40      time it takes for first cyclist to travel S1

T = SB / 60       time it takes for cyclist B to travel distance S2

SA + SB = S     the distance between the towns

SB = 60 / 40 SA = 1.5 SA

SA + 1.5 SA = S

S = 2.5 SA where cyclist travels distance SA

The time will depend on the separation of the towns.

Answer:

11.3 kg

Explanation:

ΣF = ma

17N = 1.5*m

m ~= 11.3kg

Answer:

0.03964

Explanation:

Let us calculate the pressure exerted on the bottom by the weight of the fluid. That pressure is the weight of the fluid mg divided by the area A supporting it (the area of the bottom of the container): P=mgA P = mg A.

To calculate the average deceleration of the bus, we can use the following formula:

Here, the initial velocity (v1) is 60 km/h, the final velocity (v2) is 40 km/h, and the time taken (t) is 8 seconds. To make the units consistent, we'll convert the velocities from km/h to m/s.

Now, we can plug the values into the formula:

Now, we'll find a common denominator for the fractions and simplify:

So, the average deceleration of the bus is approximately -150/216 m/s².

The sun is Yellow, red, orange, and blue. Therefore option B is correct.

The star is moving toward an observer. Therefore option B is correct.

39. The type of radioactive decay represented by the equation provided Gamma. Therefore option A is correct.

40. The statement is completed correctly by the information which states that the coal in Alberta has a lower carbon content than coal in other parts of Canada, resulting in reduced greenhouse gas emissions.

29. graph B depicts the relationship between gravitational field strength and the mass of the International Space Station orbiting Earth.

30. The correct sequence of colors representing the changing temperature from the surface to the atmosphere of the sun is Yellow, red, orange, and blue. Therefore option B is correct.

1. When a star undergoes a blue shift, it indicates that the star is moving toward an observer. Therefore option B is correct.

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