A bowling ball rolls 32 meters in 0.8 seconds. Find the average speed (in m/s) of the bowling ball in m/s

A volt/ohm meter, commonly referred to as a multimeter or multitester, is an electronic measuring device that integrates multiple measurement capabilities into a single unit. Voltage, current, and resistance measurements are among the things that a typical multimeter may be able to do.

Connect the voltmeter to the circuit in a specific method in order to utilize it to measure the potential difference. Wire 1, or the portion of the circuit before the bulb, must be connected to the voltmeter's one end.

Therefore, The circuit after bulb, or wire 2, must be linked to the other end of the voltmeter.

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A specific spot on a tectonic plate border is represented by Point A.

what is tectonic plate border ?

An enormous slab of solid rock with an uneven form known as a tectonic plate is often made up of both continental and oceanic lithosphere rocks. Tectonic plates can be anything from a few hundred and a few thousand kilometres across in size. Among the biggest plates on the earth are the Pacific and Antarctic Plates.

Numerous smaller or less significant tectonic plates are also present. Despite being smaller, the minor plates play a smaller role in forming the earth's surface characteristics. The tectonic plates move like a conveyor belt due to currents in the molten rocks underneath the plates. The interaction where the plates meet or split is where the majority of geologic activity occurs. The plates barely shift a few millimetres annually, though.

A specific spot on a tectonic plate border is represented by Point A. Major tectonic plates are represented by plates X and Y. Labeling has been done for the Hellenic Trench, the minor tectonic plate Anatolian Plate, and the island of Crete. The relative directions of plate motion are shown by arrows.

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Answer:

4

Explanation:

1 is true. Speed is the magnitude of velocity so if the magnitude of velocity(speed) changes, then velocity changes itself.

2 is true.

[tex]a _{avg} = \frac{v _{f} - v _{i} }{t} [/tex]

Since speed changes, the inital and final speeds are different, therefore we will have some nonzero acceleration because the numerator does not equal zero.

3 is correct, acceleration is a vector so it has direction, meaning if the direction of speed changes then we will have acceleration.

4. is false, a constant velocity has a acceleration of 0.

5 is correct, motion along a straight line is linear.

Answer: position E

Explanation:

After the ball is thrown it has a negative acceleration (it's slowing down) at a rate of 9.8 m/s2 (round that to 10 m/s2), which is g, the rate of acceleration due to gravity.  The position of the ball is shown every 1 second.  At position B, the ball has a speed of 40 m/s, at C = 30 m/s, at D =  20 m/s, and at E = 10 m/s.  Every 1 second, the ball slows down by 10 m/s.  At F, the top, the instantaneous speed = 0 m/s.  Then the ball will then speed up by 10 m/s every second, until it reaches K, where the speed is back at 50 m/s.

Which of the following is a natural resource for humans?

O Cars

O Electricity

O Houses

O Wood

Wood

Answer:

wood is a natural resources to man because it is not created by man

Potential is constant throughout the sphere. So, the distance we take is the radius of the sphere.

The electric potential inside the sphere at r < r is:

V =[tex]V_{a} +V_{b}[/tex]

= [tex]\frac{k(q)}{r_{a} } + \frac{k(-q)}{r_{b} }[/tex]

= kq  [tex]\left[\begin{array}{ccc}\frac{1}{r_{a} }-\frac{1}{r_{b} } \end{array}\right][/tex]

Part b

The electric potential in between [tex]r_{a}[/tex] and [tex]r_{b}[/tex] is:

[tex]V = V_{a} +V_{b}[/tex]

[tex]\frac{k(q)}{r_{a} } + \frac{k(-q)}{r_{b} }[/tex]

[tex]= kp\left[\begin{array}{ccc}\frac{1}{r_{a} }-\frac{1}{r_{b} } \end{array}\right][/tex]

Part c

The electric potential inside the sphere at r < [tex]r_{b}[/tex] is:

[tex]V = V_{a} +V_{b}[/tex]

[tex]\frac{k(q)}{r_{a} } + \frac{k(-q)}{r_{b} }[/tex]

[tex]= kp\left[\begin{array}{ccc}\frac{1}{r_{a} }-\frac{1}{r_{b} } \end{array}\right][/tex]

= 0

A voltmeter is used to measure the potential difference between two points. A voltmeter has a high resistance and is connected in parallel with an electrical component that measures the potential difference. The net potential energy between two adjacent ions EN.whose values depend on the particular ionic system.

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The ratio of the speeds V_1/V_2 =√(R_2/R_1 )

From the question, we have

Orbital speed is,

V=√(GM/R)

Where h= gravitational constant

r= radius of orbit

M= mass

⇒V_1=√(GM/R_1 ) *V_2

⇒V_1/V_2=√(GM/R_2 )

⇒V_1/V_2 =√(R_2/R_1 )

The ratio of the speeds V_1/V_2 =√(R_2/R_1 )

Orbital speed :

The speed at which one body orbits the other body is known as the orbital velocity. The term "orbit" refers to an object's consistent circular motion around the Earth. The distance between the object and the earth's center determines the orbit's velocity. The gravitational pull between the planet and the Sun must alter if the planet's distance from the Sun changes as it orbits. The acceleration of the planet must rise, leading to a higher orbital speed, if the force that the Sun exerts on the planet increases (as the planet gets closer).

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The change in length of the purple spring be 6.77 cm.

The spring stiffness is how we define the term "spring constant." In other words, we can define the spring constant as the force that was used to cause the spring's displacement to be one unit. It follows that a spring's spring constant would increase as it becomes more rigid.

Given parameters:

Spring constant: k = 45 N/m.

Mass of the load: m = 311 g = 0.311 kg.

So, weight of the load: w = mg = 0.311 × 9.8 N = 3.0478 N.

Hence,  the purple spring's change in length be = w/k = 3.03478/45 m = 0.0677 m = 6.77 cm.

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When a 2.5 kg sledgehammer hit a cement block with a force of 6.0 Newtons. The force the sledgehammer exerted on the cement block is greater in magnitude and opposite in direction to the force the cement block exerted on the sledgehammer.

This refers to forces that act on an object in opposite directions. The net force is gotten by solving for the difference between the two forces.

When the opposing forces are equal or balanced, the net force is zero.  The sledgehammer hits with a force and the cement block is receiving the impart as a stationary object.

Obviously, the force the sledgehammer exerted on the cement block is greater in magnitude and opposite in direction to the force the cement block exerted on the sledgehammer.

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Answer: 0.061gm

Explanation:

We know that in electrochemical series copper has standard reduction potential +0.34 V which is higher than Cadmium(-0.40) .is Cd(s)+Cu2+(aq) -===Cd2+(aq)+Cu(s)

What is electrochemical?

The field of physical chemistry known as electrochemistry studies how a recognisable chemical change and an electrical potential difference interact as a measurable and quantitative phenomenon, with the potential difference either resulting from or being a cause of the chemical change.

Hence  a cell contain copper and cadmium ion Copper half cell always reduction reaction occurs and in cadmium half cell oxidation takes place. E0 cell=Ecathode-E anode=+0.34-(-0.44)=0.78~0.77V

a) Reduction half reaction at cathode

Here cu2+ reduced to metallic Cu   Cu2+(aq)+2e-------> Cu (s) (Reduction)

b) Oxidation half cell reaction at anode

Here Cd oxidized into Cd2+         Cd(s)---------->Cd2+(aq)+2e-

Overall cell reaction

Cd(s)+Cu2+(aq) -===Cd2+(aq)+Cu(s)

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Answer:

In america

Explanation:

Ohio is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated.

It is also known for it's weirdness as it doesn't exist

Answer:

Ohio is bordered by Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest and his home to creatures like this

Explanation:

The average intensity received on the Earth's surface is [tex]12.6*10^{10} W/m^{2}[/tex]

​[tex]Intensity = Rate of energy radiated/4\pi R^{2}[/tex]

where  R is the distance of the earth from the sun.

[tex]I=4*10^{26}/4\pi *[150*106*10^{3}]^{2}[/tex]

[tex]I=0.12597*10^{12}[/tex]

[tex]I=12.6*10^{10} W/m^{2}[/tex]

What is the meaning of the intensity of sunlight?

Sun intensity refers to the amount of incoming solar energy, or radiation, that reaches the Earth's surface. The angle at which the rays from the sun hit the Earth determines this intensity.

What is the average intensity received on the Earth's surface?

The average intensity received on the Earth's surface is given by:

[tex]I=rate of energy radiated/4\pi R^{2}[/tex]

Thus, the average intensity received on the Earth's surface is [tex]12.6*10^{10} W/m^{2}[/tex]

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Answer: S-H bonds are typically longer than O-H bonds because sulfur is larger than oxygen. The size difference between the two atoms means that the electrons in the bond are farther apart in an S-H bond, resulting in a longer bond length. Additionally, sulfur is less electronegative than oxygen, which means that the electrons in the bond are less strongly attracted to the sulfur atom and are therefore more likely to be found in the region between the two atoms, further increasing the bond length.

Explanation:

Answer:

Describe the differences between the O-H and S-H bond lengths. Due to its stronger shielding, which lessens the nuclear pull for the bonding electrons and causes a longer bond length, sulfur is a bigger atom than oxygen.

Explanation:

You can measure its mass and volume and use the equation density=mass/volume

Answer:

[tex]\huge\boxed{\sf v = 2.7\ m/s}[/tex]

Explanation:

Radius = r = 1.14 m

Angular velocity = ω = 2.38 rad/s

Linear velocity = v = ?

v = rω

v = (1.14)(2.38)

[tex]\rule[225]{225}{2}[/tex]

To determine the principal stresses at points A and B, we need to consider how these forces are distributed over the surface of the volume element. The principal stresses are the stresses that act along the directions of maximum and minimum stress on the element.

To determine the principal stresses at points A and B, we need to consider the forces acting on a small volume element located at these points.

The stress on a volume element is defined as the force acting on the element per unit area. The stress components at a point can be represented by a stress tensor, which is a 3x3 matrix with nine elements. The diagonal elements of the stress tensor represent the normal stress components, while the off-diagonal elements represent the shear stress components.

In this case, we are given that the beam has a rectangular cross-section and is subjected to the loadings shown. There is a vertical force F acting on the beam at point A, as well as a horizontal force P. The beam is also subjected to a moment M about the z-axis.

To find the principal stresses, we can first calculate the normal stress components and shear stress components at the points of interest. Then, we can use the equations of mechanics to determine the principal stresses by finding the eigenvalues of the stress tensor.

To do this, we need to know the dimensions of the volume element, as well as the magnitudes of the forces and moments acting on the beam. With this information, we can use the equations of statics to solve for the stress components at points A and B, and then use the equations of mechanics to determine the principal stresses at these points.

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All of the true statements that describe acceleration include the following:

A. Negative acceleration occurs when an object slows down in the positive direction.

C. Negative acceleration occurs when an object speeds up in the negative direction.

D. Positive acceleration occurs when an object speeds up in the positive direction.

F. Positive acceleration occurs when an object slows down in the negative direction.

In Science, an acceleration can be defined as the rate of change of the velocity of a physical object or body with respect to time.

Mathematically, the acceleration of a physical object or body can be calculated by using this formula:

a = (V - U)/t

Where:  

Generally speaking, a physical object would experience positive acceleration when it either speeds up in the positive direction or slows down in the negative direction.

On the other hand (conversely), a physical object would experience negative acceleration when it either speeds up in the negative direction or slows down in the positive direction.

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The magnitude of the net force on the couch will be equal to 30 N.

Force acting on an object can be defined as the effect that changes the state of the body of motion or rest. The force's SI unit is Newton and force is a vector parameter.

The force can be determined from the product of the mass (m) and acceleration (a).

F = ma

Given, the mass of the couch, m = 20 Kg

The couch is accelerating, a = 1.5 m/s²

According to Newton’s second law of motion, the magnitude of the net force on the couch can be calculated as:

F = ma = 20 ×1.5

F = 30 N

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Since the surface of the Sun has a curved layer of flame that represent prominence rising from the surface of the Sun, an event which is most likely to occur as a result of the prominence is: B. the auroras would become visible.

In Science, the Sun can be defined as an astronomical or celestial body that is typically found within the solar system around which planetary (astronomical) bodies orbit, and whose light shines on planet Earth to differentiate day and night.

A solar prominence is also known as filament and it can be defined as a large, bright, dense cloud of luminous ionized gas such as hydrogen, sodium calcium, etc., that erupts and extends from the surface of the Sun.

Based on astronomical records, a solar prominence can linger in the corona for a very long time, reaching hundreds of thousands of kilometers into the Sun's atmosphere (space). Consequently, this solar prominence would make the auroras (polar lights) to become visible.

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Neglecting drag, the cannonball's initial height, and its horizontal motion, the maximum height rise is 110.45 metres, the time it takes for the ball to rise is 4.7 seconds, and the overall flight duration is 9.4 seconds.

Equation:

A pupil propels a cannonball 47.0 metres per second vertically upward.

assuming that the acceleration brought on by gravity is 10 m/s2.

Using the equation U2 = 2gH, the cannonball's highest point will be determined.

where H is the height the cannonball reaches.

When all the figures are put together, 47*47 = 2*10*H

H = 110.45 metres.

The cannonball's ascent time would be given by t=(2H/g).

When all the values are put together, t = (2*110.45/10)t = 4.7 seconds.

The cannonball's total flight time, T, is equal to the sum of its rise and descent times.

The ratio of ascent to descent is time.

Time of ascension = 4.7 Seconds since there is no other acceleration present and it is motion under gravity.

T = 2×(time of ascent) (time of ascent)

9.4 seconds are equal to T = 2*4.7.

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The potential energy of the skateboarder at the top of the ramp was 1650 joule.

The law of conservation of energy asserts, in essence, that: The total energy of the system is preserved in a closed system, or a system that is separated from its surroundings.

Given that: A skateboarder with a mass of 120 kilograms (including the skateboard) is traveling at a speed of 5.00 meters per second upon reaching the bottom of a ramp.

So, his kinetic energy = 1/2×mass×speed² = 1/2 × 120 × 5² =  1500 Joule.

Loss of energy due  to friction = 150 joule.

So,  the potential energy of the skateboarder at the top of the ramp be =  1500 Joule + 150 joule = 1650 joule.

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Attribution theory describes how an individual says or thinks that something is a as a result of a person's deed or an action of an external factor.

The cause of behavior is attributed to some internal characteristic of a person rather than external forces.

It can be harmful because attributing a person's character to a mistake can lead to underestimation of an individual.

Attribution helps an individual to understand the reason behind another person's behavior and thinking.

Attribution theory is related to how ordinary people explain the causes of behavior and events that follow it. This helps them understand how they receive, interpret action, and how they give form an opinion of them.

When an person displays certain behaviors, they are usually attributed to certain internal characteristics. This theory can be harmful to explaining behavior because mistakes are attributed to character instead of external factors leading to underestimating people. On the other hand, it is beneficial to understanding people.

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Answer:

92.16J

Explanation:

E = ½ke²

E = ½(800)(0.48)²

E = 400 x 0.48²

E = 92.16

The potential energy of the skateboarder at the top of the ramp is

489.1 J.

The amount of kinetic energy change and the amount of potential energy change are equal in all physical processes that take place in closed systems. When the kinetic energy rises, the potential energy falls, and vice versa.

Potential energy is the stored energy in any object or system as a result of its position or component arrangement. However, external factors like air or height have no effect on it. The energy of a moving object or system is referred to as kinetic energy.

Potential energy = kinetic energy

Potential energy = 1/2mv²

Potential energy = 1/2 × 67×7.3

Potential energy = 489.1 J.

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n₂ = 1.196. A light beam strikes the boundary between two mediums with different indices of refraction.

When light waves cross the border between two materials with different densities, like air and glass, their speed changes. They alter direction as a result, which is a phenomenon known as refraction. Refraction is the shift in a wave's direction when it travels through one medium and then another.

Absolute refractive index is the comparison between the speed of light in vacuum and the light speed in another medium. Relative refractive index is the ratio of one medium's light speed to a different medium's light speed.

Snell's law = n₁sinθ₁= n₂sinθ₂

and the velocity of light, N = C/ Vn

n₁ = 1.2

n₂ = 1.196

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When the current in the wire is decreasing the oppose magnitude of the magnetic flux in the loops is decreasing.

Induced currents in the loops and the forces exerted on them are directed so they oppose this change

Magnetic flux is a size of the entire magnetic subject which passes thru a given region. it's far a useful device for helping describe the outcomes of the magnetic pressure on some thing occupying a given location.

Magnetic flux through a surface is the surface integral of the ordinary element of the magnetic subject B over that floor. it is also denoted Φ or ΦB. The SI unit of magnetic flux is the weber, and the CGS unit is the maxwell.

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Answer:

The car goes 100 metres in the east direction,in 4 seconds.

The car goes 50 metres in the west direction,in 1 second.

to find :
The average velocity and average speed of the car.

Explanation:

Speed is a scalar unit which means, direction is not necessary in this case. We can simply divide the total covered distance by the total taken time,in order to calculate the average speed.

So, average speed = (100 m + 50 m)/(4sec + 1sec) = (150m/5sec) = 30m/s

Now, velocity is a vector unit,which means direction is necessary in this case. We need to find the displacement (distance between starting point and ending point of the journey) and we need to divide the displacement with total taken time.

Here,east and west are opposite directions.

So, displacement = 100 m - 50 m = 50 m in east direction

Average velocity = 50m/5sec = 10m/sec

Hence,the average speed is 30m/s and the average velocity is 10m/sec.

Welcome.

The wavelength of a wave for 4.86 times 10^11 Hz m is   [tex]6.17 * 10 ^-^4 m[/tex]  and for 8.80 times 10^16 Hz m is  [tex]3.4 * 10 ^-^9 m[/tex]

What are electromagnetic waves?

The oscillations between an electric field and a magnetic field produce waves known as electromagnetic waves, or EM waves. In other words, magnetic and electric fields oscillate to form electromagnetic (EM) waves.

What is wavelength?

The distance between two successive crests or troughs of a wave is known as its wavelength. It is measured in the wave's direction.

It is measured by λ = c/f.

where,

λ = wavelength

c = speed of light

f = frequency

Subsituting the values in equation:

(a) for f = 4.86 times 10^11 Hz m

λ = [tex]\frac{3 * 10^8}{ 4.86 * 10^1^1}[/tex] = [tex]6.17 * 10 ^-^4 m[/tex]

(b) for  f =8.80 times 10^16 Hz m

λ = [tex]\frac{3 * 10^8}{ 8.80 * 10^1^6}[/tex] = [tex]3.4 * 10 ^-^9 m[/tex]

The wavelength of a wave for 4.86 times 10^11 Hz m is   [tex]6.17 * 10 ^-^4 m[/tex]  and for 8.80 times 10^16 Hz m is  [tex]3.4 * 10 ^-^9 m[/tex]

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0.048 v₀  is the speed of the block after the collision and 95.2 percentage of the ball's initial energy is "lost".

Particles, groups of particles, or solid objects that are moving in the same direction collide when they are sufficiently close to one another.

Ball mass, m1 = 50 g = 0.05 kilogram

ball's velocity, = v₀

brick's mass, m2 Equals 1 kilogram

Let v be the brick's speed following the collision.

Utilize the idea of linear momentum conservation;

m1v0 + m2u2 = v(m1 + m2)

0.05v₀ + 0 = v(1 + 0.05)

0.05v₀ = 1.05 v

v = 0.05v0 / 1.05

v = 0.048 v₀

Consequently, the brick's speed following the contact is 0.048v0.

The entire kinetic energy at rest;

K.E. = 1 / 2 * 1.05 * (0.048 v₀)²

K.E. = 0.012v₀²

How much mechanical energy was lost during the impact;

= 0.025v₀² - 0.012 v₀² / 0.025v₀² * 100%

= 95.2 %

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