a steel ball of mass 0.1 kg falls from a height of 1.8metres

Answer:

The larger the number of charges flowing through the wire,the larger is the current flowing in the wire.

Explanation:

if the wire is large then large amount of current flows through the circuit.but if the wire is small then a smaller amount of current will pass through.

I hope this helps

Answer:

xbzcfhkuvy

Explanation:

dvdvxvdzdx

To find the distances traveled by plane in the northerly and westerly directions after 2.10 hours, we need to calculate the displacement in each direction.

Given that the plane's velocity components are vnorth = 625 km/h (north) and vwest = 553 km/h (west), we can calculate the distances traveled using the formula:

Δd = v * t

Where Δd is the displacement, v is the velocity, and t is the time.

For the northerly direction:

Δdnorth

= vnorth * t

= 625 km/h * 2.10 h

= 1312.5 km

For the westerly direction:

Δdwest = vwest * t = 553 km/h * 2.10 h = 1161.3 km

Therefore, the plane has traveled approximately 1312.5 km north and 1161.3 km west after 2.10 hours.

It's important to note that these calculations assume constant velocity and a straight-line path of travel. In reality, factors like wind speed and direction, air traffic control, and adjustments made by the pilot may affect the actual distance traveled in each direction.

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With 4.3 m/s velocity, is the cheetah running.

velocity= distance/time

distance=27.6 m

time=6.3 s

velocity=27.6 m/6.3 s

velocity=4.3 m/s

A vector number known as velocity describes "the pace at which an item changes its location." Imagine a person moving quickly, taking one stride ahead, one step back, and then beginning from the same place each time. A vector quantity is velocity. As a result, velocity is aware of direction. One must consider direction while calculating an object's velocity. Saying that an item has a velocity of 55 miles per hour is insufficient. The direction must be included in order to adequately characterize the object's velocity. Simply said, the velocity vector's direction corresponds to the motion of an item.

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a simple lifting machine consisting of a rope which unwinds from a wheel on to a cylindrical drum or shaft joined to the wheel to provide mechanical advantage. reeeeeeeeeeeeeeeeeeeeeeeeee

Answer:

i think its b

Explanation:

its been awhile since I've worked on Newton's first law

Answer:

3.0 would be it

Explanation:

Because if you think bout it the 5.0 negative 2.0 is 3.0

Answer:

A hot air balloon

After 1 day has passed, approximately 6.25% of Element Z would be remaining.

The half-life of an element is the time it takes for half of the initial amount of the element to decay or transform into another element or isotopes. In this case, Element Z has a half-life of 5 hours.

To determine the percentage of Element Z remaining after 1 day (24 hours), we need to calculate the number of half-lives that have occurred.

Since the half-life of Element Z is 5 hours, there are 24 hours divided by 5 hours, which equals 4.8 half-lives.

Each half-life reduces the amount of Element Z by half. So, after 4.8 half-lives, the remaining amount of Element Z would be (1/2)^(4.8) = approximately 0.0625 or 6.25%.

Therefore, after 1 day has passed, approximately 6.25% of Element Z would be remaining.

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In a binary star system consisting of two stars of equal mass, the gravitational potential is equal to zero at the barycenter.

The barycenter is the center of mass of the two stars and is the point around which they orbit each other. It is the point where the gravitational forces of both stars cancel out, resulting in a net gravitational force of zero.

The barycenter is often located closer to the more massive star, but in a binary system with equal masses, it would be located halfway between the two stars.

This point is important for understanding the dynamics of the binary system, as it determines the path of each star's orbit around the other. The barycenter is also used to study exoplanets and their orbits around their host stars.

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To determine the earliest start and finish times, latest start and finish times, and slack for each activity, we can utilize the network diagram and use forward and backward pass calculation. We can determine the critical path by identifying the longest path in the network diagram where there is no slack. The project duration is the length of the critical path.

Here is the network diagram for the given project: \(\small{\text{(Please see the attached image for the network diagram.)}}\)The calculations for the earliest start and finish times, latest start and finish times, and slack for each activity are shown below:|Activity Duration (Months)|Predecessor|ES|EF|LS|LF|Slack|
|---|---|---|---|---|---|---|---|
|A|2|-|0|2|0|2|0|
|B|3|-|0|3|2|5|2|
|C|5|A|2|7|2|7|0|
|D|4|B|3|7|5|9|2|
|E|3|B|3|6|5|8|2|
|F|6|C, E|7|13|7|13|0|
|G|5|D, F|9|14|13|18|4|The critical path is A-C-F-G, and its length is 13 months.

This means that any delay on these activities will delay the project completion date. Here is the calculation of the critical path: A (2) - C (5) - F (6) - G (5) = 13 months.

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All the answers are in the pics I have sent. I hope this will help you. Have a good day!

Answer: 267 m

Explanation:

2.99x10^8 m/s

———————-

1.12 x 10^6 Hz

The maximum speed she can tolerate at the low point of her swing is 10.78 m/s.

Given that,

Mass of the carpenter = 61.7 kg

Length of the rope = 11.5 m

Capable force = 1229 N

Centripetal force acting on the body, F = mv²/r = 61.7* v²/11.5 = 5.37 v²

Gravitational force acting on her is

F = mg = 61.7* 9.81 = 605.28 N

Equating the summation of centripetal force and gravitational force with total capable force,

5.37 v² + 605.28 = 1229

5.37 v² = 623.72

v² = 116.15

v = 10.78 m/s

Thus, the maximum speed she can tolerate at the low point of her swing is 10.78 m/s.

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1) I=Q/T then Q= I ×T 10* ( 20*60) = 10 (120) therefore the answer is 1200C

2) I= Q/T that is 500/ 25 and the answer is 20A

A decimal point is a point or a dot that is used to distinguish between a whole number and its fractional component.

It also goes by the name Decimal Mark. The decimal point's symbol is (.). Decimals are also used frequently in everyday life. The symbol of decimal point is (.).

The place value of a decimal number is recognised according to the position of the dot or decimal point. The first digit to the right of the decimal point indicates the number of tenths and the second digit to the right indicates the number of hundreths. For example, 0.8 can be written as 8/10 as a fraction.

Note that an overview was given as the information is incomplete.

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The telescope created the data gathered by Kepler and his team.

What is a star?

A star is a large luminous astronomical body which produces light and heat energy as well as radiation.

There are billions of stars in the universe organized into galaxies.

The Sun is the star of our solar system.

The Kepler project produced a wide range of data products and documentation to assist the community in using data from the mission to help study both exoplanets and other astrophysical areas.

In the video, a mysterious star was observed which is 50 percent bigger and 1,000 degrees hotter than the Sun.

By mean of telescopes, it was observed that the dimming seen in the diet was dues to dust particles.

These data produced ranges from engineering data on the detectors to lists of planet candidates and includes many of the intermediate data products in the data processing path.

The Kepler first mission came to an end after four years when two of the four reaction wheels, used to point the spacecraft malfunctioned.

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If a pendulum is shortened, its frequency increases. This is because the period (the time it takes for one complete swing) of a pendulum is directly proportional to the square root of its length. Therefore, if the length is shortened, the period (and frequency) decreases.

If a pendulum is shortened, its frequency will increase. Here's a step-by-step explanation:
1. A pendulum consists of a weight (or bob) suspended from a fixed point, and it swings back and forth due to the force of gravity.
2. The frequency of a pendulum is the number of oscillations (back and forth swings) it completes in a given time period.
3. The length of the pendulum affects its frequency according to the formula: T = 2π√(L/g), where T is the period (time for one oscillation), L is the length of the pendulum, and g is the acceleration due to gravity.
4. As the length (L) of the pendulum is shortened, the value inside the square root (√) becomes smaller.
5. This results in a smaller value for the period (T) of the pendulum, meaning it takes less time for one oscillation to occur.
6. Since frequency is the reciprocal of the period (f = 1/T), a decrease in period leads to an increase in frequency.

In conclusion, when a pendulum is shortened, its frequency increases.

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Answer:

mass

Explanation:

As this is directly related to inertia. Inertia is the property of unit which resists the change of state of rest or motion

Answer:

ρ (density) = M / V         mass / unit volume

ρ = 10 g / 5 cm^3 = 2 g/cm^3        density of the metal

Answer:

40° (nice and warm)

Explanation:

40° is very cold (below freezing)

Answer:

\(40h\)

Explanation:

Use the velocity formula to solve

\(v = \frac{d}{t}\)

In this question, you are given velocity \(v = 45km/h\), and you are given a distance, \(d = 1800km\).  Time in this question is what you'll need to find.

Start by rearranging the velocity formula, to isolate for t.

\(v = \frac{d}{t}\)

Start by multiplying both sides by t

\(v(t) = \frac{d}{t}(t)\\\\vt = d\)

Then divide both sides by v.

\(vt\frac{1}{v} = d/v\\ \\t = \frac{d}{v}\)

Now that you've isolated for time, sub in your values and calculate.

\(t = \frac{d}{v} = \frac{1800km}{45km/h} = 40 h\)

Answer:

about 13.8 billion years old

Answer:

No

Explanation:

There are many units that are used to measure length of an object. For example centimeters, meters, millimeters etc.

There is a relationship between any of two units to measure lengths. If we want to convert some length from cm to m, it can be done as follows :

1 cm = 0.01 m

or

1 m = 100 cm

When we use this conversion, the calculation remains the same. Only the way to represent it will be different.

Hence, there is no lose of information when converted from centimeters to meters.

Answer:

B

Magnified images will not be created.

Explanation:

I did it and this was the correct answer

Answer:

B is correct the person above me is also correct. Hope this helps

Explanation:

Answer:

Explanation:

As the temperature of a system gets colder and colder, approaching absolute zero (the coldest temperature possible), its entropy becomes constant, meaning the change in entropy (ΔS) is zero.  Entropy is a measure of the randomness, or disorder, or a system.

Third law of thermodynamics states that : entropy of a system approaches constant value as temperature approaches absolute zero. The entropy of a system at absolute zero is zero, and in all cases it is determined only by the number of different ground states it has.

Third law of thermodynamics states that : the entropy of perfect crystal at  temperature of zero Kelvin (absolute zero) is equal to zero.

Real-life example of the third law of thermodynamics is Steam/vapors of water are the gaseous forms of water at high temperatures as molecules within steam are randomly moving, hence it will have high entropy.

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Answer:

I think the answer is D.)

Explanation:

If it means something needs to melt into liquid i would have gone with B.) or C.) but since it doesn't specifiy. I thought D.) since all you have to do is heat it and it melts or boils.

Chase Elliot and William Byron were running at a speed of 138.8 miles/hr.

Speed of any moving body is the distance covered by it in a unit time.

Mathematically -

Speed = Distance/Time

Given is that Chase Elliot and William Byron completed the 2.5 mile track in just 65 seconds.

Length of the track [L] = 2.5 miles.

Time taken to complete the run [T] = 65 seconds = 0.018 hr

Therefore, the speed will be -

Speed [S] = Length / Time taken

Speed [S] = L / t = 2.5/0.018 = 138.8 miles/hr

Therefore, Chase Elliot and William Byron were running at a speed of 138.8 miles/hr.

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