What did Henri Matisse describe as the modern concepts of artistic expression in his Notes of a Painter (1908)?

The graph for velocity v/s acceleration in arbitrary path, is attached below.

Velocity and acceleration are both related to the motion of an object, but they represent different aspects of that motion.

Velocity is a vector quantity that represents the rate of change of an object's displacement over time. It is calculated as the change in position (displacement) divided by the time taken to make that change, and has both magnitude (speed) and direction.

Acceleration, on the other hand, is a vector quantity that represents the rate of change of an object's velocity over time. It is calculated as the change in velocity divided by the time taken to make that change, and also has both magnitude and direction.

The relation between velocity and acceleration is that acceleration is the rate at which an object's velocity is changing. If an object is accelerating, its velocity is changing over time. This means that if the acceleration is positive, the object's velocity is increasing, while if the acceleration is negative, the object's velocity is decreasing.

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Look up "Everything You Need To Know About Math In One Big Fat Notebook pdf." It's the best thing I've ever been given, I have it with me in math class all the time and I've aced every test. I have it with me right now and it has everything I've ever been taught about math in it so it might help you.

The final temperature of the water and copper pellets is 43.8°C.

We can use the equation:

\(mc\Delta T = mwCw\Delta T\)

Substituting the values given in the problem:

m c = 28 g

m w = 90 mL = 90 g

c = 0.385 J/g°C

Cw = 4.18 J/g°C

ΔT = T f - 25°C

where T f is the final temperature of the water and copper pellets.

Simplifying the equation:

28 g x 0.385 J/g°C x (T f - 300°C) = 90 g x 4.18 J/g°C x (T f - 25°C)

Solving for T f:

T f = (90 g x 4.18 J/g°C x 25°C + 28 g x 0.385 J/g°C x 300°C) / (90 g x 4.18 J/g°C + 28 g x 0.385 J/g°C)

T f = 43.8°C

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--The complete Question is, What are the final temperature of the water and the copper pellets after thermal equilibrium is reached, assuming no heat is lost to the surroundings?  --

4.44×\(10^{9}\) kg/s is the rate at which the sun mass is decreasing.

The Sun radiates energy through a process called nuclear fusion, where hydrogen atoms combine to form helium, releasing a tremendous amount of energy in the process. According to Einstein's mass-energy equivalence principle (E=mc²), this energy release corresponds to a decrease in mass.

To calculate the rate at which the Sun's mass is decreasing, we can use the formula ΔE = Δmc², where ΔE is the change in energy, Δm is the change in mass, and c is the speed of light.

Given that the Sun radiates energy at a rate of 4×10^26 W, we can substitute this value into the equation as ΔE and solve for Δm.

ΔE = 4×10^26 W

c = 3×10^8 m/s (speed of light)

Using the equation ΔE = Δmc² and rearranging it, we get Δm = ΔE / c².

Substituting the values, we have:

Δm = (4×10^26 W) / (3×10^8 m/s)²

Evaluating this expression, we find that the rate at which the Sun's mass is decreasing is approximately 4.44×10^9 kg/s.

This calculation demonstrates that the Sun's mass is gradually decreasing as it continuously radiates energy into space, primarily through the process of nuclear fusion in its core.

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K = 8.93 ⋅ 10 9 N m 2 C 2 hope this helps.

If you stand in front of a flat mirror. The one-half of your height will be seen yourself entirely. Option C is the correct answer.

Take a look at your room's four walls. The height of a wall is measured from the ground to the ceiling. Remember how your class is organized in the school assembly, with the tiniest child in the front and the tallest youngster at the back.

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Solution :

From the Newton's second law of motion :

F = ma

\(a=\frac{F}{m}\)

\($\frac{dv}{dt}=\frac{F}{m}$\)

\($\left(\frac{dv}{ds} \times \frac{ds}{dt}\right)=\frac{F}{m}$\)

\($v \frac{dv}{ds} = \frac{F}{m}$\)

\($v dv =\frac{F}{m}\ ds$\)

Integrating above the expression by applying the limits :

\($\int_{v_i}^{v_f} v \ dv= \frac{F}{m} \int_0^s ds$\)

Here the diameter is s= D

\($\frac{v_f^2 - v_i^2}{2}=\frac{FD}{m}$\)

The final speed of the particle after travelling distance D is

\($v_f = \sqrt{v_i^2 + \frac{2FD}{m}}$\)

The kinetic energy of the particle of mass M is :

\($K_1=\frac{1}{2}Mv^2$\)

For M = 3M

\($K_2=\frac{1}{2}(3M)v^2$\)

     \($=3(K_1)$\)

Thus the kinetic energy increases by a factor of 3.

The work done depends on the factor and the displacement of the body. Thus, the work done remains same even though the mass increases. Hence the work down increases by factor 1.

The pebble's speed is 622.05 cm/s and its acceleration is 11682.22 cm/s².

The pebble's speed and acceleration can be found using the formulas for linear speed and centripetal acceleration.

First, we need to find the circumference of the wheel, since the pebble travels this distance every time it goes around the wheel.

Circumference = π × diameter = π × 66 cm = 207.35 cm

Next, we can find the pebble's linear speed by multiplying the circumference by the number of revolutions per second.

Linear speed = circumference × revolutions per second = 207.35 cm × 3 rev/s = 622.05 cm/s

Finally, we can find the pebble's centripetal acceleration using the formula:

Centripetal acceleration = (linear speed)² / radius = (622.05 cm/s)² / (66 cm / 2) = 385513.3 cm/s² / 33 cm = 11682.22 cm/s²

So, the pebble's speed is 622.05 cm/s and its acceleration is 11682.22 cm/s².

Answer: The pebble's speed is 622.05 cm/s and its acceleration is 11682.22 cm/s².

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Answer:

There is no sound in space because there are no molecules there to transmit the sound waves. Electromagnetic waves are not like sound waves because they do not need molecules to travel. This means that electromagnetic waves can travel through air, solid objects and even space.

(a) The smallest vertical magnetic field B that would cause the rod to

slide is 0.145 Tesla for given  The coefficient of static friction

between the rod and rails is μs= 0.60

A magnetic field is a vector field that describes the magnetic influence on moving charges, currents, and magnetic materials. A moving charge in a magnetic field is subjected to a force that is perpendicular to both its own velocity and the magnetic field.

(a) using formula

 μs × m × g = I × L × B

μs= 0.60

M= 1.2 kg

I = current =  55.0 A

L = Length = 0.9 m

magnetic field (B) =  0.145 Tesla

(b) expression

force (f) = I × L × B × sinФ

(c)  given B = 0.145 Tesla

 μs × m × g= I × L × B × sinФ

Ф = 90°

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The observation that electromagnetic radiation with energy above a certain value can eject electrons out of a metal is a piece of evidence that they have particle-like properties.

The observation that electromagnetic radiation with energy above a certain value can eject electrons out of a metal is a piece of evidence that they have particle-like properties.

This observation that electromagnetic radiation behaves like particles is known as the photoelectric effect.

It provides evidence that electromagnetic radiation exhibits particle-like properties. When EMR with sufficient energy (above a certain threshold) interacts with a metal surface, it can cause the ejection of electrons from the metal.

This behavior indicates that EMR behaves as discrete packets of energy called photons, which transfer their energy to the electrons and cause their release. The photoelectric effect supports the particle nature of EMR and is a fundamental concept in the field of quantum mechanics.

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Answer: Friction  :)        

Explanation:

Given:

Diameter = 200 m

Radius, r = 200/2 = 100 m

Time taken, t = 30 seconds

Formula to be used:

Distance traveled, = circumference of circle = 2πr

Answer:

Putting all the values, we get

Distance traveled = 2πr

So, the distance traveled by Raju is 628.57 m.

Now, magnitude of the displacement,

At the end of 30 seconds, Raju will come to starting position or initial position, so displacement is zero.

The temperature gradient in the flow of direction is 294525 W.

A temperature gradient is the gradual variance in temperature with distance. The slope of the gradient is consistent within a material. A gradient is established anytime two materials at different temperatures are in physical contact with each other.

Q= T/( L/ KA)

Q= ( 1500 − 450) / 0.15 / 9.35v * 4.35)

   = 294525 W

Units of measure of temperature gradients are degrees per unit distance, such as °F per inch or °C per meter.

Many temperature gradients exist naturally, while others are created. The largest temperature gradient on Earth is the Earth itself. Q= T/Ka.

Therefore, The temperature gradient in the flow of direction is 294525 W.

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The top speed reached during the entire trip would be 45 meters/seconds because the highest ordinate of the y-axis from the graph is 45 and the entire trip would last for 6 seconds.

The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object.

As given in the problem we have to find the top speed reached during the entire trip and the total duration of the trip,

The top speed = highest ordinate for the speed time curve

The top speed reached during the entire trip would be 45 meters/seconds because the highest ordinate of the y-axis from the graph is 45 and the entire trip would last for 6 seconds.

Thus, the top speed reached during the entire trip would be  45 meters/second.

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Answer:

1231

Explanation:

Answer: *a molecule.

Explanation: A molecule is the combination of two or more atoms

Answer:

The speed of the proton is \(v =5.95\times 10^{5} m/s\)

Explanation:

Energy, E = 1.85 keV

mass of proton, m = 1.67 x 10^-27 kg

Let the speed is v.

The kinetic energy is given by

\(K = 0.5m\times v^{2}\\\\1.85\times \1.6\times 10^{-16} = 0.5\times 1.67\times 10^{-27}\times v^{2}\\\\v =5.95\times 10^{5} m/s\)

The inverse of the mass is referred to as acceleration. The acceleration will be slower the more mass there is.

Acceleration is the rate of change in an object's velocity over time in mechanics. One of the vector quantities is speed. The direction of the net force exerted on an object is what determines its acceleration. The change in velocity rate is referred to as acceleration. Usually, but not always, acceleration implies a change in velocity.

A circular object moving at a constant velocity is still accelerating because its velocity is changing in the opposite direction. In physics, acceleration is the rate of change in an object's velocity over time.  According to Newton's second law, the sum of all forces acting on an object determines its acceleration. Meters per second (ms²) is the SI unit for acceleration.

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\({\tt{\red{\underline{\underline{\huge{Answer:}}}}}}\)

\(\longrightarrow\) The rate of change of velocity per unit time is called acceleration.

\(\longrightarrow\) Its SI unit is m/s².

\(\huge\boxed{\fcolorbox{blue}{red}{Thank you}} \)

Answer: a

Explanation:

-- If A and B are pointing in exactly opposite directions, then their sum A+B is the minimum possible value.  A+B = 2 N in the same direction as B.

-- If A and B are pointing in exactly the same direction, then their sum A+B is the maximum possible value.  A+B = 6 N in that same direction.  

Answer:

SI unit is an international system of measurements that are used universally in technical and scientific research to avoid the confusion with the units. Having a standard unit system is important because it helps the entire world to understand the measurements in one set of unit system.

Answer:

C. 5730 years

Explanation:

N(t) = N(0)e^-kt

The half-life is T = 5730 years,

e^-kT = 1/2

→ k = - ln(1/2) / T

→ - ln(1/2) / 5730

→ 1.209681 x 10^-4 years^-1

The amount present dropped to 50%.

Then one half-life has elapsed, so the age is 5730 years.

(a) The work done by the force applied by the tractor is 79,968.47 J.

(b) The work done by the frictional force on the tractor is 55,977.93 J.

(c) The total work done by  all the forces is 23,990.54 J.

The work done by the force applied by the tractor is calculated as follows;

W = Fd cosθ

W = (5000 x 20) x cos(36.9)

W = 79,968.47 J

W = Ffd cosθ

W = (3500 x 20) x cos(36.9)

W = 55,977.93 J

W(net) = work done by applied force  -  work done by friction force

W(net) = 79,968.47 J -  55,977.93 J

W(net) = 23,990.54 J

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Answer:

The correct answer is 0.022

Divide the volume value by 1000

22 divided by 1,000 = 0.022

Explanation:

Hope this helps!! :))

The magnitude of total displacement of  Barney  is 16.12 meters in an angle 29.75 ° with north in north east direction..

The term "displacement" refers to a shift in an object's position. It is a vector quantity with a magnitude and direction. The symbol for it is an arrow pointing from the initial location to the ending place.

Given parameters:

Barney walks 6 steps north, 4 steps to the west, 2 more steps north, and 10 more steps to the west.

He walks = ( 6+2)steps towards north.

= 8 steps towards north.

He walks = ( 4 + 10 ) steps to the west

= 14 steps to the west.

The magnitude of his total displacement = √(8² + 14²) meters = 16.12 meters.

And the direction is = tan⁻¹(8/14) north east. = 29.75 ° with north in north east direction.

Hence, the magnitude of total displacement of  Barney  is 16.12 meters  in an angle 29.75 ° with north in north east direction..

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a) C=1.1*10^{-8}F

b) Q=17.6C

c) We have that for conduction to occur via air .Air particles have to ionize and The electrons follow through them from the clouds to the ground.This effect causes Lighting

From the question we are told

Earth and a cloud layer 800.0 m above the Earth

If the cloud layer has an area of 1.00 106 m²

An electric field strength of 2.0 x 106 N/C causes the air to conduct charge (lightning)

a)

Generally the equation for Capacitance   is mathematically given as

\(C=\frac{eA}{d}\\\\Therefore\\\\C=\frac{8.85*10^{-12}{1.0*10^6}}{800}\\\\C=1.1*10^{-8}F\)

b)

Generally the equation for Capacitance of capacitor referring to pd   is mathematically given as

\(C=\frac{Q}{dV}\\\\Where\\\\Q=CEd\\\\Q=1.1*10^{-8}*(2.0*10^6)(800)\\\\Q=17.6C\)

c)

We have that for conduction to occur via air .Air particles have to ionize and The electrons follow through them from the clouds to the ground.This effect causes Lighting

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Answer:

lm a o

Explanation: