Whats a support force

The - 60.6 N is the average force experienced by the clay.

The force applied by a body moving at a constant velocity (rate of speed) over a fixed time period is known as the average force. The magnitude and direction of force are both vector quantities. The term 'average' denotes that this velocity was not precisely measured or was not 'instantaneous.' As a result, the average force over a given time period is equal to the body's mass multiplied by its average velocity. The magnitude and direction of the average force are both vector quantities.

Average acceleration = Δv/t

We know F = ma,

We have m = 0.24

Δv = Final velocity - Initial velocity

Δv = (0 - 23) m/s
Δv = -23 m/s

t = 91 ms or 0.91 s

As we know acceleration (a) = v/t

So, a = -23/0.91

a = - 25.27 m/s²

Put the above value in formula F = ma.

F = (0.24 kg) × (-25.27 m/s²)

F = - 60.6 N

Therefore, the average force experienced by the clay is - 60.6 N.

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The complete question is:

"A 0.24 kg blob of clay is thrown at a wall with an initial velocity of 23 m/s. the clay comes to a stop against the wall in 91 ms, what is the average force experienced by the clay"

The important Physics chapter "Conductors and Dielectrics in an Electric Field" focuses on the electric field and its interactions with different kinds of materials, such as conductors and dielectrics.

The significance of its components in the electrical circuit is explained in Conductors and Dielectrics in an Electric Field. is a crucial resource component that all students require in order to succeed in the Class 12 Physics exams and admission exams. It is one of the greatest ways to prepare for physics exams and practice problems in order to get good marks. Here, the questions are primarily centered on electric field, current, speed, voltage, and other related concepts.

In-depth explanations are provided for the behavior of conductors and dielectrics. The issues help to strengthen the applicability of the theoretical ideas in daily life and activities.

For clear knowledge and a firm grasp of the syllabus and concept, students aiming for a good mark in a competitive examination must solve every issue provided.

Based on each and every formula, equation, and procedure, there are a variety of difficulties that can be accessed. Each problem's solution is broken down into logical steps and supported with relevant data, formulas, graphs, and equations. All questions based on conductors and dielectrics are readily available to students. This aids in conceptual clarity and full knowledge for kids.

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The magnitude of the average velocity of chickadee flight is 2.5 m/s

Average velocity is defined as the rate of change of displacement with respect to time. Mathematically, we can write -

v = Δx/Δt

Given is a chickadee who flies 30 m to the West for 6 seconds and then 40 m to the North for 14 seconds.

Now, the displeacement of the chickadee, can be calculated as follows -

|Δx|² = (30)² + (40)²

|Δx|² = 900 + 1600

|Δx|² = 2500

|Δx| = [tex]\sqrt{2500}[/tex]

|Δx| = 50

Now, the average velocity of the chickadee will be -

v = |Δx|/Δt

v = 50/(6 + 14)

v = 50/20

v = 2.5 m/s

Therefore, the magnitude of the average velocity of chickadee flight is 2.5 m/s

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The car can coast up to the height of 30.34m and (b) the thermal energy generated by friction is 118047.75J.

The energy in which an object that has as a result of motion is called as kinetic energy. A force is applied to an object in instruct to accelerate it. We have to put the effort in order to apply the force. After the completion of the work the energy is removed from the item and then it moves at a new, constant speed.

Potential energy is defined as the form of stored energy which is dependent on the ordering of system components.

(a) given; [tex]v=24.4m/s^{2}[/tex], [tex]g=9.81m/s^{2}[/tex]

KE(initial)= PE(final)

[tex]\frac{1}{2} mv^{2}[/tex]=[tex]mgh[/tex]

[tex]h=\frac{v^{2} }{2g}[/tex]

[tex]h=\frac{24.4^{2} }{2*9.81}[/tex]

h=30.34m

(b) If, in actuality, a 750 kg car with the same initial speed is observed to coast up a hill to a height 14.3 m above its starting point

E(friction)=KE(initial)-PE(final)

E(friction)=[tex]\frac{1}{2} mv^{2}-mgH[/tex]

E(friction) =[tex]\frac{1}{2}(750)24.4^{2} - (750)(9.81)(14.3)\\[/tex]

E(friction)=118047.75J

A friction is defined as the force which prevents two objects from moving against each other.

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The current when the potential difference between the walls is 45 mv is 4.500×10⁻¹¹ A.

To find the current when the potential difference between the walls is 45 mv, we will Use Ohm's law.

V = IR ........................ Eqn 1

Where

V = Potential difference between the walls

I = current

R = Resistance between the walls

Make I the subject of the equation

I = V/R...................... Eqn 2

From the question, we are given that:

V = 45 mV = 0.045 V

R = 1.0×10⁹ Ω.

Substitute into Eqn 2

I = 0.045/(1.0×10⁹)

I = 4.500×10⁻¹¹ A.

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The range of baseball thrown at a speed of Vo at an angle of elevation theta is Vo^2sin2theta/g.

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Fuse, breakers, and other overcurrent protection devices set an appropriate current limit and sever short circuits.

The size of the overcurrent protection system depends on the overcurrent protection system type and the maximum current that can travel through the circuit components. National codes specify the size and design of the overcurrent protection system. The size of the overcurrent protection devices is typically determined by the array's short-circuit current.

The PV is a limited current source, meaning that the short-circuit current is the highest current produced by this source, which is the major justification for choosing the array's short-circuit current.

The distribution lines of electric grids integrated with DER are safeguarded by an overcurrent protection system. The phase overcurrent protection and the ground overcurrent protection are two further classifications for this protection strategy. Depending on the distribution method, the relays employed in such schemes could be either directional (functioning for in-front events) or nondirectional (working for all). Radial distribution systems are where nondirectional relays are most frequently employed.

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option c When a ball is thrown horizontally at 100 m/s, a second ball is dropped from the same height at the exact same moment neither they both hit the ground at the same time .Here gravitational force plays role.

Gravitational force tells if Any two bodies' mutual attraction is directly proportional to the sum of their masses and inversely proportional to the square of their separation. As a "thought experiment," Newton proposed the Newton's cannonball, which supports the idea that gravity is a powerful force that affects planetary motion.

He assumed a cannon on top of a very tall mountain peak in this thinking experiment. If the cannon is loaded with gunpowder and fired, the following situations might occur.

If the cannon's speed is modest, it will fall to Earth in a projectile motion.

If the speed of the cannon is equal to the orbital speed at that altitude, the cannonballNo change in gravity affects the speed of light.

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Rocket B's speed in relation to rocket A is 0.4c

If the two frames of reference's directions are at odds with one another, the two frames of reference would see the relative speed as the total of their individual speeds. Furthermore, if the motion of the two frames is parallel, relative speed would be seen as the difference between the individual speeds.

The Earth's frame of reference is at rest, but the two rockets passing by are traveling relativistically with respect to Earth.

Since both rockets are moving in the same general direction, rocket B's relative speed to rocket A is equal to the difference between the two rockets' individual speeds.

Speed of rocket A is v = 0.70c

speed of the rocket B is u =0.86c

let,

speed of the rocket B with respect to rocket A is u₁

Now,

u₁ = (u - v) / [(1 - u) * (v / c²)]

u₁ = (0.86 - 0.70) / (1 - 0.86 * 0.70 / c²)

u₁ = 0.16 / (1 - 0.6) = 0.16 / 0.4

∴ u₁ = 0.4c

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a) It takes you 1.893s to reach the opened door and jump in.

b) The maximum time that you can wait before starting to run and still catch the bus is 1.27s

The time which the passenger can delay and still catch the bus must be less than this.

From the question:

Distance between the passenger and the door of the bus d = 9

Acceleration of the bus a¹ = 1.0m/s²

Speed of the passenger v = 5.7m/s

Time taken for you to catch up with the bus must occur at the exact position with the bus,

Let the position = y

The time taken for you to reach the point:

t = total speed/distance

t = y + 9/5.7 ..................... eqn 1

The time taken for the bus to reach the same point;

y = vt + 1/2at²

Initial velocity of the bus is zero

y = 0.5*(1)t²

y = t²/2

t = √2y .......................eqn 2

We solve eqn (1) and (2) together:

9 + y = 5.7 * √2y

81 + y² + 18y = 64.98y

y² - 46.98y + 81 = 0

y = 45.187m or 1.792m

Now we take the smallest distance: x=1.792 m

Time taken for both to reach this point: (put x in eq. (1))

t = 1.792+9/5.7

t = 1.893s

For the maximum waiting time we find have:

Relative acceleration, ar = -1m/s⁻²since the bus is moving away from the intended

The final relative velocity for the passenger to catch it, vr = 0m/s⁻¹

Using equation of motion:

s = 9 + 1/2 * (-1)t²

also the initial relative velocity:

vr = ur + ar.t

ur = 5.7 - t

and

vr² = ur² + 2ar.s

0² = (5.7 - 1)² - 2 * 1 * (9 - 0.5t²)

t = 1.27s

Here's the complete question:

You are 9.0 m from the door of your bus, behind the bus, when it pulls away with an acceleration of 1.0 m/s2. You instantly start running toward the still-open door at 5.7 m/s.

How long does it take for you to reach the open door and jump in?

What is the maximum time you can wait before starting to run and still catch the bus?

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The weight of the body on the surface of mars would be 333.9 Newtons.

Weight is the force exerted by the earth on an object at the surface of the earth and this force is directed towards the center of the earth. Mathematically -

W = mg

where -

[m] is the mass of object

[g] is acceleration due to gravity

Given is a body that weighs 900N on the surface of earth. Mars is a planet whose mass is one ninth and radius is one half that of the earth. The same body is now placed on mars.

Since the weight of the body is 900 N on earth, we can write -

W = mg

900 = m x 10

m = 900/10

m = 90 Kg

Now, we know for a body of mass [m] on a planet of mass [M], the gravitational force exerted by planet on the body will be -

F = GMm/r²

but

F = W = mg

So, we can write -

mg = GMm/r²

g = GM/r²

For the planet of mars, we can write -

g = GM[mars]/r[mars]²

g = (6.6743 × 10⁻¹¹ x 0.65 x 10²⁴)/(3185.5 x 10³)

g = 3.71 m/s²

So, the weight of the body on mars will be -

W = mg = 90 x 3.71

W = 333.9 N

Therefore, the weight of the body on the surface of mars would be 333.9 Newtons.

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The percentage of additional power transmitted is 73.2%.

A conductor is an object or form of fabric that permits the flow of fee in a single or extra instruction. Materials manufactured from steel are not unusual electrical conductors.

A conductor, or electrical conductor, is a substance or fabric that allows energy to drift through it. In a conductor, electric rate carriers, typically electrons or ions, pass without problems from an atom to an atom when voltage is carried out.

IN DC 2-WIRE SYSTEM

If R is the resistance oper conductor,then the power transmitted is

P=VI

And power loss is = I²R

IN AC 3-PHASE 3 WIRE SYSTEM

P=√3VIcos φ

 =√3VI             [as unity power factor,cos φ=1]

power loss= 3I²R

The percentage of additional power transmitted in a phase 3 wire ststem is

(√3VI-VI  )/ VI  *100 =73.2%

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Answer:

See below

Explanation:

x component =  90 cos 45 = 63.6 N

y component =  90 sin 45  = 63.6 N

The density of the ceramic statue is "2495.5 kg/m³".
This question involves the concepts of density, weight, volume, and buoyant force.

First, we will find out the mass of the statue:

W=mg
m=W/g
where,
W = hanging weight of statue = 28.4 N
g = acceleration due to gravity = 9.81 m/s²

Therefore,
28.4/9.81
m= 2.9kg

Now, we will find out the volume of the statue.
The difference, in weight of the statue upon submerging, must be equal to the buoyant force applied by the water. This buoyant force is equal to the weight of the volume of water displaced, which is equal to the volume of the statue.

V = 1.16 x 10⁻³ m³

Density= 2.9/1.16 x 10^-3
=2495.5kg/m^3

Therefore, the stature density is 2495.5 kg/m^3.

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Answer: See Below

Explanation:

A reflective glass mirror will reflect all the components of white light and not allow visible light to pass through.

A transparent glass block will allow light to pass through with some refraction.

In astronomy class friends plan to get married at sunset, and they want the moon to be high in the sky. The moon should be First Quarter phase.

The study of the cosmos and everything in it that is not within the atmosphere of Earth is referred to as astronomy. Astronomers investigate the locations, movements, and characteristics of celestial objects. Astrology tries to understand how those placements, motions, and qualities impact people and events on Earth. The main distinction between astrology and astronomy is what determines the outcome. The Sun and Moon's effects during a particular zodiac sign are interpreted by the ancient tradition of astrology. 12 divisions of the sky, each measuring precisely 30 degrees, are said to exist in astrology. The scientific community has rejected astrology because it lacks the ability to explain how the cosmos works. The premises and claimed effects described in astrological traditions have not been proven by scientific research to be true.

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Answer:

Option 2

Explanation:

This is the definition of the plum-pudding model.

The gravitational acceleration on the surface of the exoplanet is 0.188 m/s².

Gravitational acceleration has an important role in uniform motion. Uniform motion is an object's motion under acceleration. It should follow the rule

vt = vo + a . t

vt² = vo² + 2a . s

s = vo . t + 1/2 . a . t²

where vt is final velocity, vo is initial velocity, a is acceleration (gravitational acceleration), t is time and s is displacement.

From the question above, we know that

h = 18 m

vo = 2.6 m/s

In this case, the final velocity should be zero. Hence,

vt² = vo² + 2a . s

vt² = vo² - 2g . h

0² = 2.6² - 2.g . 18

36g = 6.76

g = 0.188 m/s²

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a. Angular speed, w = v/r where  v is the linear speed, r is the radius

b. v = w*r

c. I(disk)=1/2mr^2,I(hoop)=mr^2, I(Ball)=8/3mr^2 disk is the smallest moment of inertia.

A body has an attribute called inertia that makes it resist attempts to move it or, if it is already moving, to alter the speed or direction of its motion. A body's inertia is a passive characteristic that prevents it from doing anything other than opposing active agents like forces and torques. A moving body continues to move not because of its inertia but rather because no force exists to stop it, alter its direction, or accelerate it.

A body's moment of inertia, which quantifies its resistance to the action of a force, and its mass, which determines how resistant it is to the action of a force, are two numerical measures of inertia.

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Answer:

Energy

Explanation:

Some of the suns energy is converted into wind and water waves

We can calculated the maximum power as follows:

Since the heater consumes 1600W, we can write the following inequality:

Where n is the number of heaters, so:

Answer:

2 heaters

It uses one main simple machine, the lever, to propel a projectile, making it both a compound machine (a device that employs a number of simple machines) and a simple machine.

A trebuchet is a form of catapult, a weapon that can launch things considerably farther than a person can. The usage of trebuchets is first recorded in second-century China, however catapults were in use far before the Roman Empire. Trebuchets are most known for their use in medieval castle raids because they could be placed so far away from the fortress that archers couldn't touch them and could launch practically anything.

They are the most basic techniques that are now understood for using leverage (or mechanical advantage) to increase force. The wheel and axle, inclined plane, lever, wedge, pulley, and screw are examples of rudimentary machines.

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Answer:

FN=-Fg -> Fg=mg -> Fg = 238 kg*9.8 m/s^2 ->

Fg = -2432.4 so FN = 2432.4 -> FF = μs*FN ->

FF = 0.22*2332.4 N -> FF = 513.128 ->

Fapplied > 513.128 N

Explanation:

...

For each of these scenarios, the primary method by which heat energy is transferred is:

A) Radiation                           B) Conduction

C) Convection                         D) Radiation

E) Conduction                         F) Convection

G) Radiation                            H) Convection      

Conduction, convection and radiation are all methods of heat transfer. Conduction is the transfer of heat between two solid objects in contact. Convection is the transfer of heat by convection currents in fluids (liquids or gases). Liquids and gases on their own don't conduct heat, but when molecules of a fluid are heated up, they move within the medium and carry the heat energy with them. This phenomenon is called convection currents. Radiation is the transfer of heat in a vacuum. Unlike convection and conduction, radiation does not need a material medium for heat to be transferred, as heat is transferred through electromagnetic waves.

For each situation in the question, heat is transferred in one way or another. The methods are:

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Complete question:

Each of the following situations involves the flow of heat energy. For each scenario, specify the primary mode (conduction, convection, or radiation) by which the energy is transferred. a)What is the primary mode of energy transfer from hot coffee inside a Thermos bottle to the environment? b)What is the primary mode of energy transfer from your bare feet to a cold ceramic bathroom floor in the middle of winter? c)What is the primary mode of energy transfer from your body to your hands when you blow on them to warm them? d)What is the primary mode of energy transfer into your sealed car parked in the sun on a hot summer day? e)What is the primary mode of the flow of energy from your tongue to a metal railing if you happen to lick it on a cold winter day? f)what is the primary mode of energy transfer from a hair dryer to your wet hair? g)What is the primary mode of energy transfer from your body on a cold day with no wind? h)What is the primary mode of energy transfer away from your body on a very windy day?

The distance traveled will therefore simply be equal to the original velocity multiplied by the time period. The result of adding these two numbers together is about 2.41, or 4 times 10 to the ninth meters.

Some star material, with an initial velocity of roughly 40,232,600 m/s, is accelerated outward in specific shock waves that are created by a star dying. Let's record that as beginning velocity, which is 40 million 233,600 meters per second. And we inquired as to how far it travels in a minute. Since we are in space, there are essentially no accelerations to take into account. Therefore, we don't need to think about any form of slowing down or speeding up of this velocity.

The distance traveled will simply be equal to the original velocity multiplied by the time interval because this is how long it has been moving. And when we combine those two figures, we get a result of around 2.41, or 4 times 10 to the ninth meters.

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Answer:

i don't know what?

Explanation:

i said what?

The assumptions of the kinetic theory is given below.

The kinetic theory postulates that liquid molecules constantly move, expressing their thermal energy. These molecules frequently clash with one another, and occasionally one or another surface collision gains enough momentum to propel it out of the liquid and into the sky.

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Answer:

Tungsten oxide...

hop e it helps

Substances that are soluble in water are polar substances which is a molecular characteristics that is not possessed by insoluble substances.

The molecular characteristics of a substance is the features that are exhibited by the ions and molecules of that substance that makes it unique from others.

Soluble substances are those substances that are able to dissolve in water while insoluble substances are those substances that are not able to form solution with water.

Example of soluble substances are salt and sugar while examples of insoluble substances are metals and fat.

The soluble substances are polar substances are they possess a negative and a positive pole in their molecules that allows for dissolution in water.

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