List the states of matter in order = of increasing entropy: List the solids Au; Al, C in order of increasing entropy at 258C: Explain why more complex molecule like NO has higher entropy than Ar:

Answer: static friction

Explanation:

During sliding, contact points do not get enough time to get interlocked properly. Therefore, less friction. But, when the object is at rest, the surfaces interlock well, therefore friction is more. This explains why sliding friction is less than static friction.

Answer:  B

Explanation:

Answer:

1) The diagram is drawn with a ruler and a pencil. Always begin by tracing its general shape that is a rectangle. - 2) The standard symbols of the different electric components are located, preferably, in the middle of each side.Jan

Explanation:

Circuit diagram number II

I) R=(4*8)/(4+8)=8/3 Ω

II) R=4+((4*4)/(4+4))= 6 Ω

III) R= 4/3 Ω

IV) the same as I: 8/3 Ω

Answer: who ever thrown that ball, got an arm.

Explanation:

Answer:noo

Explanation:impossible

The efficiency of this light bulb is 25% .

Given data :

output = 30j

Input = 120j

Efficiency  = output / input x 100

  = 30 / 120 x 100

  = 25%

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Answer:

KE = ½mv² = ½(0.155)(31.4)² = 76.4 J

Explanation:

The kinetic energy (KE) of the  0.155 kg arrow when it leaves the bow is 76.4 joule.

Kinetic energy is a type of power that a moving object or particle possesses. An item accumulates kinetic energy when work, which involves the transfer of energy, is done on it by exerting a net force.

A moving object or particle has kinetic energy, which depends on both its mass and its rate of motion.

Given parameters:

Mass of the arrow: m = 0.155 kg.

Upward velocity of the arrow: v = 31.4 m/s.

Hence, The kinetic energy (KE) of the arrow = 1/2 × mass × velocity²

= 1/2 × 0.155 × 31.4 joule

= 76.4 joule.

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A 0.1mm diameter glass tube is inserted into an ethyl alcohol at 20 degrees centigrade in a cup. The angle of alcohol with the tube is 0 degrees. D = 0.1 mm = 0.001m, alcohol angle is 0 degrees, ethyl alcohol

\(η=1.1×10^-3 N⋅sec/ m², s_g\)

=0.79.

We have to determine how much glycerin rises in the tube. The force that moves the liquid through the tube is the difference between the downward force of gravity on the liquid column and the upward capillary force produced by the surface tension of the liquid against the walls of the tube.

The height to which the fluid rises in a capillary tube may be measured by balancing the capillary force against the force of gravity on the column.

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Answer:

P = 0.2 W

Explanation:

Given that,

Force, F = 4 N

Displacement, d = 1 m (say)

Time, t = 20 s

We need to find the power output. Power is the rate of doing work. So,

P = W/t

\(P=\dfrac{Fd}{t}\\\\P=\dfrac{4\times 1}{20}\\\\P=0.2\ W\)

So, the required power is 0.2 W.

According to the given statement The force exerted by the rope on the bucket of water is 62 N.

Acceleration is the rate at which speed of velocity vary over time. A point or object going straight forward is accelerated when it accelerates or decelerates. Even though the speed stays constant, motion on such a circle accelerates because the vector is always shifting. The rate with which of displacement is known as velocity. The speed of change in velocity is known as acceleration.

we know that

m = 5 kg

a  =  2.6 m/s²

g = 9.8 m/s

T - mg =  ma

T = mg + ma

T = (5* 9.8)  +  (5 * 2.6 )  

T = 49 + 13

T  = 62 N

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The rock was launched in the upward direction with an initial velocity of 8.58 m/s.The speed of the rock 4.5 seconds after launch is  35.52 m/s.

Given:

Time after launch (t) = 2.1 s

Rising rate (v) = 12 m/s

(a) By using the equation of motion v = u + at

where,

v denotes the final velocity, u initial velocity, a is the acceleration, and t is the time.

v = u + at

12= u + (9.8) × 2.1 s

u = 12 - (9.8 m/s² × 2.1 s)

u = 12 - 20.58

u = -8.58 m/s

The negative sign indicates that the rock was launched in the upward direction with an initial velocity of 8.58 m/s.

(b) To calculate the speed 4.5 seconds after launch,

v = u + at

v = -8.58 + (9.8) × 4.5 s

v = 35.52 m/s

The speed of the rock 4.5 seconds after launch is  35.52 m/s.

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Explanation:

V² = Vx² + Vy²

= [ 9.66 cos (0) ]² + [ 12 cos (135) ]²

= 165.31

V = root 165.31 = 12.85

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The direction of the sum of vectors A and B is approximately 22.9 degrees north of east.

To find the direction of the sum of vectors A and B, we can use trigonometry to determine the angle with respect to the positive x-axis (east direction). The given vectors A and B have magnitudes and directions as follows:

Vector A: Magnitude = 9.66 m, Direction = East

Vector B: Magnitude = 12.0 m, Direction = Northwest (which is 45 degrees north of west)

To find the resultant vector's direction, we need to add the angles of the two vectors. The angle between the positive x-axis and vector A is 0 degrees (east direction), and the angle between the positive x-axis and vector B is 45 degrees (northwest direction). Therefore, the angle between vector A and the resultant vector is 0 degrees, and the angle between vector B and the resultant vector is 45 degrees.

To find the angle of the resultant vector with respect to the positive x-axis (east direction), we can use the tangent function:

Tan(Angle)= Opposite/Adjacent​ = Magnitude of Vector A/Magnitude of Vector B

Taking the inverse tangent (arctan) of both sides:

Angle = arctan (9.66/12.0)≈22.9 degrees

So, the direction of the sum of vectors A and B is approximately 22.9 degrees north of east.

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We first apply the data to the problem.

Data:

Now, we convert the minutes to hours.

Conversion:

Then, we apply the formula that is.

Formula:

Finally we develop the problem.

Developing:

The distance traveled by the kangaroo is 30 kilometers.

Answer:

The right option is;

d) Both technicians A and B

Explanation:

High-intensity discharge (HID) headlights is an electrical gas-discharge light that gives a very bright light when an arc is formed between the tungsten electrodes that have a transparent or translucent housing

The light is ideal for night driving due to its brightness and appear to have a bluish tint at night although the light produced by HID headlight is actually more similar to Sunlight around noon

A turn signal bulb is a flashing light indicator that shows that a vehicle is about to turn or change lanes

An issue with the wiring, a broken connection at the bulb socket or a burnt bulb can result in a condition of "no turn signal" in which the turn signal stops flashing or blinking. Therefore both technicians A and B are correct.

Answer:

1.

2.

3.500

4.

5. 2

Explanation:

will do rest later

We have the next formula

where P is power, W is work, and t is time

we substitute the values

then we isolate the work

the answer is 1,500 J

In actuality, an object's velocity rises by 9.8 m/s2, thus it reaches 9.8 m/s by the time it begins to fall.By the time it has been falling for 2 seconds (9.8 m/s plus 9.8 m/s), it is moving at 19.6 m/s, and so on.

Gravity will cause any object to move forward at a rate of 32 feet per second each second.

Choose the length of the item's descent.We'll use an 8-second sample as our example.Its final free fall speed (just before it touches the earth) is calculated using equation v = v0 + gt = 0 + 9.80665 * 8 and equals 78.45 m/s.Find the free-falling distance using the formula s = (1/2)gt2: 0.5 * 9.80665 * 82 = 313.8 meters

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The accurate statement about light is: a) When light strikes a surface at Brewster's angle, only the reflected light is 100% polarized.

Your question is about which statement about light is accurate, including the terms "accurate", "light", and "Brewster's angle". The correct answer is:

a) When light strikes a surface at Brewster's angle, only the reflected light is 100% polarized.
Brewster's angle is the angle of incidence at which light, when striking a surface, is completely polarized in the reflected light. At this angle, the reflected light is polarized perpendicular to the plane of incidence, while the transmitted light is not polarized. This is because, at Brewster's angle, the reflected light is polarized parallel to the surface, while the transmitted light is not completely polarized.

Therefore, option a) correctly states that only the reflected light is 100% polarized at Brewster's angle.

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It is much easier to balance a thing that has a large base of support and a low center of gravity. The object won't topple over as a result of little center of gravity wobble because of the wide base and low center of gravity. Therefore, balancing a nail on its base as opposed to its tip would be simpler.

The magnitude of the electric field at a point midway between a −8.3μc and a 6.6μc charge 10cm apart is approximately 0.0594 N/C.

To find the magnitude of the electric field at a point midway between two charges, we can use the principle of superposition.

Given:

The electric field at the midpoint is the sum of the electric fields created by each charge at that point. The electric field created by a point charge can be calculated using Coulomb's Law:

Electric field due to q1 (E1) = k * |q1| / r^2

Electric field due to q2 (E2) = k * |q2| / r^2

Since the charges are equal in magnitude and equidistant from the midpoint, their electric fields will have the same magnitude but opposite directions.

Thus, the total electric field at the midpoint is the difference between the two electric fields:

E = E2 - E1 = (k * |q2| / r^2) - (k * |q1| / r^2)

Now, we can calculate the magnitude of the electric field by substituting the given values:

E = (9 x 10^9 N m^2/C^2 * 6.6 x 10^-6 C / (0.05 m)^2) - (9 x 10^9 N m^2/C^2 * 8.3 x 10^-6 C / (0.05 m)^2)

E ≈ (0.2376 N/C) - (0.297 N/C)

E ≈ -0.0594 N/C

The magnitude of the electric field at the point midway between the charges is approximately 0.0594 N/C. Note that the negative sign indicates that the electric field points in the opposite direction of the positive charge q2.

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The phenomenon is the term that best describes the phrase "something that happens", therefore the correct answer is option D.

The deliberate, scientifically justified quest and utilization of knowledge and comprehending of the natural and improvements in living standards are what is known as science.

As given in the problem,

Which term best describes the phrase "something that happens"?

A. Experiment

B. Observation

C. Hypothesis

D. Phenomenon

The phenomenon is the term used to define the process of happening things that may be natural or anthropologic.

Thus, The phrase "something that happens" is best described by the word "phenomenon," hence option D is the appropriate response.

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Answer:

Reflective clothing. So vehicles can see them and stuff.

Answer:50ms-1

Explanation:use the formula v=d/t

in order to find the velocity,devide the distance with time taken.

since distance is 400 meters devide it with seconds whiuch gives us 50.

Explanation:

The given figure shows the path of an airplane that is trying to land on the runway using the path below.

(a) Distance is the total path covered.

D = (200+150+200+250) m

D = 800 m

(b) Initially, it was moving 200 m due east and finally it reaches 250 m due south. But displacement is the shortest path covered. O is the initial position and B is the final position.

Displacement = OA+AB

=(150 +250) m = 400 m

(c) The Airplane's displacement is in the south direction.

70 degrees

90 - 20 since angle of incidence is the complement of the angle it strikes with.

Answer:

the potential energy = 2.625

Explanation:

potential energy = mass× acceleration due to gravity × height

mass = 0.75kg

acceleration due to gravity =10m/s²

height =0.35 meters

potential energy = 0.75kg× 10m/s² × 0.35m =2.625 N

The equilibrant force is equal in magnitude and opposite in direction to the resultant force.

Since the resultant force is 10 N in the positive y axis direction (North), the equilibrant force is 10 N in the negative y axis direction (South). An equilibrant force is a force that can balance or counteract the effect of other forces acting on an object.

It has the same magnitude as the resultant force, but it acts in the opposite direction, resulting in a state of equilibrium where the net force acting on the object is zero.

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Solve for the linear/tangential speed:

a = v²/r

where a = centripetal acceleration, v = speed, and r = radius.

4.7 m/s² = v²/(0.3 m)

v² = (0.3 m) (4.7 m/s²)

v ≈ 3.96 m/s

For every time the record completes one revolution, a fixed point on the edge of the record travels a distance equal to its circumference, which is 2π (0.3 m) ≈ 1.88 m. So if 1 rev ≈ 1.88 m, then the angular speed of the record is

(3.96 m/s) (1/1.88 rev/m) ≈ 7.46 rev/s

Take the reciprocal of this to get the period:

1 / (7.46 rev/s) ≈ 0.134 s/rev

So it takes the record about 0.134 seconds to complete one revolution.