Give 3 real life examples of some other examples that you have seen of people displaying data. List the name of the data being displayed.

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Force is positive if the mass accelerates downward. Use the formula T = M x A to determine the tension in the rope.

That direction is the pull that is referred to as tension. As a result, the tension will point toward the string or rope and away from the mass.

A mass suspended by a string is pulled upward by the string, exerting an upper force that shifts the tension to the upper side.

For instance, you should know that T = 9g x 2m/s2 = 18gm/s2 or 18N when trying to calculate T in a straightforward pulley system with a linked mass of 9g and an upward acceleration of 2m/s2 (newtons). The direction in which a string expands changes when it passes over an ideal massless pulley, but the string's tension is unaffected.

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Accounting for things like how many team members should be assigned to a task, how many resources are required, how many hours tasks will take and more.

When the effort arm is longer than the load arm, there is a significant mechanical advantage.The lever is made up of two “arms”: The load arm (also known as the output arm) is the portion of the lever that is directly attached to the load. The effort arm (or applied force arm) is the section of the lever to which the effort, or input force, is applied.

A= W P = 1 , Where W represents the load and P represents the effort. So, if we utilize one fixed pulley to raise the weight, the effort required will be 50 k g w t in one direction.

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The freight car which is being dumped into the metal scrap has the final velocity of 0.18 m/s.

In this problem, we use the principle of conservation of linear momentum.

Given that,

Mass of the freight car m₁ = 30,000 kg

Mass of the hopper m₂ = 110,000 kg

Velocity of the freight car u₁ = 0.85 m/s

Velocity of the hopper u₂ = 0

Let the velocity of the loaded freight car = v

We need to find out v.

m₁ u₁ + m₂ u₂ = ( m₁ + m₂) v

After putting the values into the equation above, we have,

30,000 × 0.85 + 110,000 × 0 = (30,000 + 110,000) v

140,000 v = 25500

v = 0.18 m/s

Thus, the required velocity of the loaded freight car is calculated to be 0.18 m/s.

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Torque =   force x distance from point of rotation

Torque is a measure of the turning effect of an applied force about a specific point or axis. It is calculated by multiplying the force applied to an object by the distance from the point of rotation to the point where the force is applied. The greater the force or the longer the distance from the point of rotation, the greater the torque. The unit of torque is typically Newton-meters (N·m) in the International System of Units (SI) or pound-feet (lb·ft) in the imperial system. Torque is essential in various fields such as physics, mechanics, engineering and robotics.

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(a) The potential energy of the system to the conservative force acting on the particle, with Ui=0:

(b) From (a), U(2.00m)=2A–2.67B, and U(3.00m)=4.5A–9B.

ΔU=(4.5A−9B)−(2A−2.67B)=2.5A−6.33B

(c) For the entire system of which this particle is a member, this work is internal work and equal to the negative of the change in potential energy of the system: ΔK=−ΔU=−2.5A+6.33B.

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In the given reaction, 2Mg(s) + O₂ (g) → 2MgO (s), 88.7 kJ of energy will be released.

The reaction 2Mg(s) + O₂ (g) → 2MgO (s) involves the release of energy from the system and hence it is an exothermic reaction. 21.2 kcals of energy is released from this reaction.

21.2 kcals = 21.2 × 10³ calories

1 cal = 4.184 J

For 21.2 × 10³ calories,

21.2 × 10³ cal × 4.184 = 88.70 × 10³ cal

To convert J to kJ, we divide it by 10³

88.70 × 10³ / 10³ = 88.70

Rounding off to nearest tenths, the amount of energy released by the given reaction in kJ = 88.7 kJ

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D. will most likely be thrown over the steering column. When an unrestrained occupant is in a motor vehicle that strikes a tree while traveling at 40 mph, the occupant will be thrown from the vehicle due to the force of the impact. Without a seatbelt, the occupant will be thrown forward over the steering column.

When a motor vehicle strikes a tree traveling at 40 mph, the unrestrained occupant will be thrown forward and over the steering column with a force that is greater than the force of the motor vehicle's deceleration. This is due to the fact that the occupant is not restrained and therefore is not held in place by the seatbelt, allowing them to travel at the same speed until acted upon by an external force.

When a motor vehicle strikes a tree traveling at 40 mph, the unrestrained occupant will be thrown forward and over the steering column with a force that is greater than the force of the motor vehicle's deceleration.

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The impulse that the pelton wheel applies to the water is equal  to the change in momentum of the water after hitting the flat paddle wheel.

Impulse is a measure of the force applied to an object over a period of time, and it is equal to the change in momentum of the object.

In the case of the pelton wheel, the force is applied to the water by the flat paddle wheel, and the change in momentum of the water is the result of that force.

Therefore, The impulse of the pelton wheel is therefore equal to the change in momentum of the water after it hits the paddle wheel.

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The balloon will be drawn to the wall once it has been rubbed sufficiently to build up a sufficient negative charge. Even though the wall should generally be neutrally charged, its charges can change, causing a positively charged region to pull the negatively charged balloon toward it.

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The similarities and differences between static stretching and dynamic stretching are the dynamic stretch is a style of stretching that is more strenuous and physically stimulating, while the static stretch is a form of stretching that is slower and more relaxing.

Another difference between static and dynamic stretching is that after a dynamic stretch, you may feel stronger and have more muscle endurance and speed, whereas static stretching before an exercise diminishes these same qualities; To get the most out of your workout, perform dynamic stretching before you begin, and static stretching afterward. Static and dynamic stretching have similar benefits in lowering the risk of injury by increasing flexibility, balance, and body awareness.

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Answer:

it should be 23.1

Explanation:

You have to look at the scale and then you calculate it

Answer:

i think the answer is a

Explanation:

hope i am right

Answer:

Simple cell has liquid chemicals and it is difficult to carry from one place to another. Dry cell has no solution. So, it is easier to carry it from one place to another and there is no risk of spilling acid from the dry cell. So, dry cell is more useful than simple cell in our daily life.

Answer:

(a) The time interval required for the proton to travel 4.50 cm horizontally is

t = (4.50 cm) / (3.80 x 105 m/s) = 118.42 ns

(b) The vertical displacement of the proton during the time interval is

dY = (F × t2) / 2m = (9.20 x 103 N/C × (118.42 ns)2) / (2 × 1.67 x 10-27 kg) = 0.0033 mm

(c) The horizontal and vertical components of the velocity after the proton has traveled 4.50 cm horizontally are

Vx = 3.80 x 105 m/s

Vy = (F × t) / m = (9.20 x 103 N/C × 118.42 ns) / (1.67 x 10-27 kg) = 1.90 x 105 m/s

The average speed of the car is 24 m/s. The average speed of the car is therefore below 25.0 m/s.

The description of rapidity. a change in the location of an object in either direction or speed. How fast something is going is determined by the distance travelled and the time required to cover that distance. Speed is a scalar quantity since it just has an arrow-like direction and no magnitude.

The entire movement of an item, independent of direction, is called distance. Distance may be characterized as the quantity of ground covered, regardless of the starting or finishing points of an item.

distance (d) = 9 miles = 14.4841 km

d = 14484.1 m

1 miles = 1609.34 m

t₁= 14484.1/ 20

 = 724.2 sec

t₂= 14484.1/ 30= 482.8 sec

total time ( t) = t+t

t= 724.2+ 482.8 = 1207 sec

Vavg = 2d/t= 2*14484.1/1207

Vavg = 24m/s

24< 25

lessthan 25m/s

car average speed (Vavg) = 24 m/s.

Therefore, the car average speed is 24 m/s.

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Answer:The kinetic energy of an object is equal to its mass times the square of its velocity, divided by 2.

Explanation:

Since the body is dropped from a height, it initially has no velocity. As it falls, it will accelerate due to the force of gravity. The acceleration due to gravity is approximately 9.8 m/s^2.

After 3 seconds, the velocity of the body will be 3*9.8 = 29.4 m/s. The kinetic energy of the body will be:
KE = (3 kg) * (29.4 m/s)^2 / 2 = 849.56 J

This is the kinetic energy of the body after 3 seconds of falling.

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Answer:

The total amount of energy necessary to carry out this process is 22600 joules (J).

Explanation:

This is because the heat of vaporization (the energy required to change the state of water from liquid to gas) of water is 2260 J/g. Since 10.0 g of water is being heated, the total amount of energy needed is 10.0 g * 2260 J/g = 22600 J.

Answer:

To solve this problem, you can use the following formulas:

Velocity (v) = 2πr * f

Acceleration (a) = v^2 / r

Centripetal force (F) = ma

In these formulas, r is the radius of the circle, f is the frequency of the circular motion, and m is the mass of the object.

a) To find the velocity of the mass, you can substitute the values given into the formula for velocity:

v = 2πr * f

= 2π(0.25 m) * 2.0 Hz

= 1.57 m/s

So, the velocity of the mass is approximately 1.57 m/s.

b) To find the acceleration of the mass, you can substitute the values given into the formula for acceleration:

a = v^2 / r

= (1.57 m/s)^2 / 0.25 m

= 4.45 m/s^2

So, the acceleration of the mass is approximately 4.45 m/s^2.

c) To find the centripetal force acting on the mass, you can substitute the values given into the formula for centripetal force:

F = ma

= 1.5 kg * 4.45 m/s^2

= 6.68 N

So, the centripetal force acting on the mass is approximately 6.68 newtons.

A buildup of nitrogen in the atmosphere can result in pollutants like ozone and ammonia, which can reduce visibility, interfere with plant growth, and harm our capacity to breathe.

"Human nitrogen additions to the soil, in the form of fertilisers, strengthen the greenhouse effect: approximately 60% of nitrous oxide is emitted from fertilised fields, manures, and other agricultural sources," claims Mahesh Pradhan, a nutrient pollution specialist with the UN Environment Programme (UNEP).

AUSTRIA (Thomson Reuters Foundation) - Scientists said on Wednesday that rising nitrogen-based fertiliser use is raising emissions of a greenhouse gas 300 times more potent than carbon dioxide, endangering attempts to keep global warming within globally set limits.

With over 75% of all greenhouse gas emissions and almost 90% of all carbon dioxide emissions coming from fossil fuels like coal, oil, and gas, they are by far the biggest cause of climate change in the world.

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The velocity of the bike is 2.57 m/s. Then the kinetic energy of the 44 kg mass is 145.3 J.

Kinetic energy of an object is generated by virtue of its motion. Kinetic energy is related to the mass and velocity of the object by the expression written below:

Ke = 1/2 m v²

Given the distance travelled = 1.70 km = 1700 m

time taken = 11 min = 660 s

then velocity = distance/ time = 1700 /660 = 2.57 m/s

Total mass = 44 kg

Ke = 1/2 44 Kg × (2.57)² = 145.3 J

Therefore, the kinetic energy of Shawn and his bike is 145.3 J

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These are just personal definitions of the following. They aren't official ones that may come from your textbook, but they are still accurate.

a. Friction is a force that acts against forces in contact with an object.

b. Sliding Friction is a force that acts against the forces making an object slide (e.g. the y component of the object's weight force if it's on an incline)

c. Static Friction is a force that acts on an object that is still/not moving.

d. Rolling Friction is the force making an object roll.

e. Air resistance is a frictional force that acts to slow down a falling object.

f. Terminal velocity is the maximum an object can reach while in free fall due to air resistance.

g. Gravity is a mutual attractive force in between two objects.

h. Weight is the mass of an object multiplied by the gravitational force (usually 9.81 for objects on earth). Weight is a force acting against the normal force keeping objects from phasing through each other.

i. Centripetal force is a force that acts on an object that is turning. This force pulls the object to the outside of the turning track.

j. Momentum is defined by mv (mass times velocity). Momentum is not a force, it is the idea that the motion of an object can depend on its mass and velocity.

I would check official dictionaries, just to make sure these definitions align with your textbook's.

According to the equation wavelength = speed/frequency, the dolphin's sound has a 42 m wavelength.

The distance between two identification based (consecutive crests) in adjoining cycles of a waveform signal as it travels across space or along wire is known as its wavelength. In wireless systems, this length is frequently specified in metres (m), centimetres (cm), or millimeters (mm). The numbers of times per second that a sound waves wave repeats is its frequency, which is often referred to as its pitch.

Given data -

speed = 1,470 m/s

frequency = 35 Hz

wavelength = speed / frequency

wavelength = 1,470 / 35

wavelength = 42 m.

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R is the radius of speed curvature of the turn, g is the acceleration due to gravity, and μs is the coefficient of static friction.

θ is the angle of banking. For no slippage to occur even when the contribution of the frictional force in the centripetal force is not considered, we ignore the effect of friction and get the Time. Well, if the radius must be a single measurement, then the turn will be perpendicular.

While you're gathering necessary data, there's a discrepancy in your Average speed. Unless there are also tighter or unbanked turns, it's difficult to imagine the average speed=cornering speed.

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Yes, the center of the Milky Way is the most densely populated area of stars, and is therefore the most likely region to find newly formed stars.

What is the populated?

Populated refers to an area that has a large number of people residing in it. It is usually used to describe cities, towns, or other densely populated areas. Populated areas usually contain a variety of services and infrastructure to support their populations, such as schools, hospitals, transport links, and other amenities. Populated areas usually have higher rates of crime, pollution, and other problems associated with increased human activity.Populated refers to an area that has a high density of people living in it. It is usually used to describe cities and towns, but can also describe smaller areas, like neighborhoods.

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If wave one has an amplitude of 4 and wave two has an amplitude of 3, what is the amplitude of the wave resulting from the interference

Equation Used

The resulting intensity is calculated as follows: I = (sqrt(I1)-sqrt(I2))2

3 variables and 1 function are used in this formula.

Used Functions

Square root function and sqrt (Number)

used variables

The effect of two intensities coming together is called the "resulting intensity" (measured in candela).

The energy that the first wave transfers over a surface of a given area in a unit of time is measured as intensity 1 (measured in candela), which is equal to the energy density times the wave speed.

The energy that the second wave transfers over a surface of a certain area in a unit of time is measured as intensity 2 (measured in candela), which is equal to the energy density times the wave speed.

No conversion is necessary for intensity 1: 4 candela to 4 candela.

Intensity 2: No Conversion Needed 3 Candela to 3 Candela

Replacement of Input Values in a Formula

I is equal to (sqrt(I1)-sqrt(I2))2 --> (sqrt(4)-sqrt(3)).

2 Assessing...…

I = 0.0717967697244909

Candela: 0.0717967697244909 No Conversion Is Necessary

RESULT 0.0717967697244909 A candela Outcome Intensity (Calculation completed in 00.016 seconds)

What is Wave Interference?

When two waves that are moving in opposite directions arrive at the same location simultaneously, interference results. The two waves will combine into a temporary, larger wave with an amplitude equal to the sum of their individual amplitudes if their crests and troughs completely line up. Constructive interference is what this is. On the other hand, if the crests of two waves coincide, they either combine to form a smaller wave or completely cancel each other out. We refer to this as destructive interference.

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the orbital period is  7200sec or 2hours and orbital speed is 7,27m/s

(a) The orbital period of a satellite is the time it takes for the satellite to make one full orbit around the Earth. To calculate the orbital period, we can use the equation: T = 2 * pi * (a^3/GM)^(1/2) where T is the orbital period, a is the semi-major axis of the orbit (which is equal to the altitude of the satellite), pi is approximately 3.14, G is the gravitational constant (approximately 6.67 x 10^-11 m^3/kgs^2), and M is the mass of the Earth (approximately 5.98 x 10^24 kg).Plugging in the given altitude of 2.0 x 10^7 m for a and the known values for pi, G, and M, we get:

T = 2 * pi * (2.0 x 10^7 m)^3/ (6.67 x 10^-11 m^3/kgs^2 * 5.98 x 10^24 kg)^(1/2)

Simplifying, we get:

T = 2 * pi * (8.0 x 10^21 m^3/ (4.03 x 10^34 kg*m^3/s^2))^(1/2)

T = 2 * pi * (1.98 x 10^13 s^2/kg)^(1/2)

T = 7200 sec (or 2 hours)

(b) The orbital speed is the distance traveled by the satellite in one hour. We can calculate the orbital speed using the equation v = 2πa/T

Plugging in the values of a and T we get :

v = 2π (2.0 x 10^7 m) / 7200 sec

v = 7,27 m/s

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Potential energy is the power that a thing possesses as a result of where it is in relation to other objects.

The earth can pull you down through the force of gravity while doing work in the process, being at the top of a stairwell gives you more potential energy than standing at the bottom.

Two magnets have more potential energy when they are held apart than when they are near to one another. They will migrate near each other and begin working if you let them go.

The force acting on the two objects affects the potential energy formula. P.E. = mgh, where m is the mass in kilograms and g is the acceleration due to gravity, is the formula for gravitational force.

Therefore, Potential energy is the power that a thing possesses as a result of where it is in relation to other objects.

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