Which rule(s) is used for combining velocities?

A. Scalar rules

B. Vector rules

C. Equilibrium rule

The main difference between a mission and a vision is that a mission defines a company's purpose, while a vision outlines its long-term goals.

The five characteristics of a vision are:

Inspiring: A vision should be inspiring and give people something to strive for. The primary difference between vision and mission is that the former defines the company's ultimate goal, whereas the latter outlines the company's strategic path to accomplishing that goal. A mission statement is a brief statement that summarizes an organization's core goal, competitive benefit, and guiding principles. It is a short, straightforward declaration of what a company intends to achieve in the long run.

A vision statement, on the other hand, is a forward-thinking declaration of where the company hopes to be in the future. It describes the company's aspirations and anticipations. In this answer, we will describe the five characteristics of a vision.

Five characteristics of a vision:

1. Clear and concise: A vision statement should be short, understandable, and to the point.

2. Realistic: It should be achievable while also being challenging.

3. Time-bound: It should have a timeframe within which it must be accomplished.

4. Flexible: It should be adaptable to shifting market dynamics, environmental conditions, or technological advancements.

5. Inspiring: It should motivate and engage staff, customers, and stakeholders.

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Answer:

Explanation:

l etme y lo saoc apr aotarsy  r dealkten dpo

The gravitational potential energy is always measured relative to the ground.

The gravitational potential energy of a system is related as.

PE = MgH

Where,

M is the mass of body,

g is the acceleration due to gravity,

H is the height of the body with respect to the ground.

As we know, for a particular surface on earth, the mass and g is always constant.

Only the height of the body is changing with respect to the ground, Hence we can conclude here, that gravitational potential energy of a body is measured with respect to the ground.

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Answer: The answer is walking. Hope it helps anybody :)

Explanation: The answer to the second question is glycogen and lipids.

Answer:

Walking

Explanation:

Took test

Explanation:

Given:

Δx = 1400 m

v = 0 m/s

t = 10.4 s

Find: v₀ and a

Δx = ½ (v + v₀) t

1400 m = ½ (0 m/s + v₀) (10.4 s)

v₀ = 269 m/s

Δx = vt − ½ at²

1400 m = (0 m/s) (10.4 s) − ½ a (10.4 s)²

a = -25.9 m/s²

Answer:

mercury is more dense

Explanation:

Explanation:

Iron ball sinks in water but not in mercury because of the difference in the density iron used in iron ball. The iron ball has more density than water and less than the mercury.

Hence, Iron ball sinks in water but not in mercury.

-TheUnknownScientist

To find the volume of a three-dimensional symmetrical shape using integration, we can use the method of cylindrical shells. This method involves dividing the shape into thin cylindrical shells and then integrating their volumes.

Let's say we have designed a symmetrical solid in the shape of a sphere with a cylindrical cavity running through its center. We will place the flat side (R) of the sphere against the x-y plane. The sphere will be revolving around the z-axis since it is symmetrical about that axis.

To find the volume, we first need to determine the equations for the sphere and the cavity.

The equation for a sphere centered at the origin with radius R is:

x^2 + y^2 + z^2 = R^2

The equation for the cylindrical cavity with radius r and height h is:

x^2 + y^2 = r^2,  -h/2 ≤ z ≤ h/2

The volume of the solid can be found by subtracting the volume of the cavity from the volume of the sphere. Using the method of cylindrical shells, the volume of each shell can be calculated as follows:

dV = 2πrh * dr

where r is the distance from the axis of rotation (the z-axis), and h is the height of the shell.

Integrating this expression over the appropriate range of r gives the total volume:

V = ∫[r1, r2] 2πrh * dr

where r1 and r2 are the radii of the cavity and the sphere, respectively.

Substituting the expressions for r and h, we get:

V = ∫[-h/2, h/2] 2π(R^2 - z^2) dz - ∫[-h/2, h/2] 2π(r^2 - z^2) dz

Simplifying and evaluating the integrals, we get:

V = π(R^2h - (1/3)h^3) - π(r^2h - (1/3)h^3)

V =  πh( R^2 - r^2 ) - (1/3)πh^3

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Answer:

AD

Explanation:

electromagnetic waves do not need a medium to travel, examples are ultraviolet radiation and infrared radiation.

Answer:

A and D

Explanation:

Just did it

Answer:

a. He notices that when he kept the compass near the electrical wire with current flowing through it, the compass did not point north; instead, the compass needle pointed in the direction of the current's magnetic field.

b. The bulb did not glow because the current was not sufficient to make it glow.

c. Deflection in the compass will increase further.

Explanation:
hope this helped you :) I am a beginner so i would greatly appreciate a lot if you Mark me as brain list <3

Answer:

Density= 2.78 g/cm³

Relative density=2.8

Explanation:

To calculate the density of the cube we have to use the formula ρ=mass/volume

ρ stands for density.

So now we don't have the volume of the cube and to find the volume of the cube we have to use the formula a³

3³= 9 cm³

Now plug in the values. ρ= 25 g/9 cm³

ρ= 2.78 g/cm³

To find the relative density, we have to use the formula ρsample/ρH20

The sample means the density of the substance earlier. We do not know the density of water but it is constant at 997 kg/m³.

Now we have to make the units same so you change the unit of the density of cube to kg/m³

So, 25/1000= 0.025 kg

9/100×100×100 (because cm³ which means that there should be 3 meters to change the unit and to conver cm to meter we need to divide by 100 so 9cm/100, 9cm²/100×100, 9cm³/100×100×100)

=0.000009 m³

The new density= 0.025 kg/ 0.000009 m³

= 2777.78 kg/m³

Now plug the values into the formula:

relative density= 2.777.78 kg/m³ / 997 kg/m³

=2.8

There is no unit since kg/m³ and kg/m³ cancels

A spiral spring is compressed by 0.5 cm. The energy stored in the spring can be calculated using the formula \(E=1/2*k*x^2\). Given that the force constant is 200 N/m, we can calculate the energy stored in the spring to be 0.00025 J.

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The velocity of a golf ball with a mass of 47 g and the kinetic energy of a golf ball is measured to be 143 J is 2.44 m/s.

The kinetic energy is the energy obtained when the body is in motion. The kinetic energy equals half of the product of mass and the square of the velocity of the object. The velocity is a vector quantity that defines the speed with a particular direction and the unit of velocity is m/s. The unit of kinetic energy is Joule (J).

From the given,

the mass of a golf ball = 47 g = 0.047 kg

the kinetic energy = 143 J

the velocity of a golf ball =?

K.E = 1/2 (mv²) where m is the mass and v is the velocity.

v² = 143×2 / 0.047

   = 286 / 0.047

  = 6085.10

v² = 6085.1

v = √6

  = 2.44

v = 2.44 m/s.

Thus, the velocity of a golf ball is 2.44 m/s.

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The capacitor should be charged to a potential of approximately 75,317 volts to store 1.70 J of energy.

The energy stored in a capacitor can be calculated using the formula:

E = (1/2) * C * V^2

Where:

E is the energy stored (1.70 J in this case)

C is the capacitance (0.600 μF = 0.600 * 10^(-6) F)

V is the potential (to be determined)

Rearranging the formula, we can solve for V:

V^2 = (2 * E) / C

V = sqrt((2 * E) / C)

V = sqrt((2 * 1.70 J) / (0.600 * 10^(-6) F))

V ≈ sqrt(5.67 * 10^9) V

V ≈ 75,317 V

Therefore, the capacitor should be charged to a potential of approximately 75,317 volts to store 1.70 J of energy.

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Answer:

Chemical property

Explanation:

Science go brrrrrrrrr

Answer:

Wheel and axle is a simple machine. As we know thatsimple machines makesour work easier faster and more convenient. Like this wheel and axle help us in different ways like it helps to change the direction of force, helps to multiply force applied, helps to do work safely, etc.

I hope this answer will help you. Stay safe.

Answer:

provides forms of transportation and many other gadgets that aid daily life

Explanation:

ex: car tires, bicycles, windmills, doorknobs

The intensity of the sound waves at a distance of 2.50 m from the point source is 11.94.The intensity at a distance of 2.50 m from the point source, we can use the inverse square law for sound intensity. The inverse square law states that the intensity of a sound wave decreases as the square of the distance from the source increases.

First, let's calculate the intensity at the source. Since the source emits sound waves isotropically, the intensity at the source will be the same in all directions. Therefore, the intensity at the source is also 1.91.
Next, we can use the inverse square law to find the intensity at 2.50 m from the source. The formula for the inverse square law is:
I2 = I1 * (d1 / d2)^2
where I2 is the intensity at the second distance, I1 is the intensity at the first distance, d1 is the first distance, and d2 is the second distance.
Plugging in the values, we have:
I2 = 1.91 * (2.50 / 0)^2
I2 = 1.91 * (2.50^2)
I2 = 1.91 * 6.25
I2 = 11.94
Therefore, the intensity of the sound waves at a distance of 2.50 m from the point source is 11.94.

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Answer:b

Explanation:

Killer whales have been hunting seals and sea lions for centuries, and in recent decades they have begun hunting sea otters more often. This is concerning because the numbers of seals and sea lions.

What is begun is the start of a journey or process. It could be a project, a relationship, a task, or even a new adventure. It is the beginning of something which may have a great impact on the future. Whatever it is, it is the first step and will require effort, planning, and dedication to bring it to fruition. It is the act of taking initiative and striving to achieve a goal. It is a chance to create something meaningful and lasting.

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Answer: 18 m/s/s

Explanation:

3 times 6 equals 18 and 3 seconds every second makes this equation

The result would have been different with the temperature being constant if the energy transferred between the hot objects and cold water were 100%.

What is Temperature?

This is referred to as the degree of hotness or coldness of a substance or body and is influenced by thermal energy and the unit is Kelvin.

The process of heat transfer which is known as conduction is used in this process and some are lost to the environment or surroundings but in a situation where the energy transferred between the hot objects and cold water were 100% then there will be a constant temperature.

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Based on the rays drawn above, the mirror forms the image at a distance at about 13 cm.

This can be determined through the use of the ray diagrams and the laws of reflection. When rays of light reflect off a concave mirror, they converge at a point called the focal point. The distance from the mirror to the focal point is called the focal length, which for this particular mirror is 6.5 cm. By drawing the incident ray from the top of the object parallel to the principal axis, and then drawing the reflected ray through the focal point, the point where they intersect is where the image forms. This distance, s', is approximately 13 cm.

In summary, the image forms at a distance of about 13 cm from the mirror.

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If you increase the number of slits in an array but keep the spacing between adjacent slits the same, the effect on the diffraction pattern is that the width of the bright fringes decreases.

To summarize, increasing the number of slits in an array while keeping the spacing between adjacent slits constant leads to a decrease in the width of the bright fringes in the diffraction pattern.

When two laser beams collide, light and dark bands are seen as bright fringes. They take place as a result of wave interference. Two waves that collide interact with one another. The phase difference between the waves affects how strongly this wave interaction occurs.

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Answer:

True

Explanation:

For the Moon to maintain its elliptical orbit around the Earth, a centripetal acceleration of around  \(0.027 m/s^2\).

The Moon's orbital radius around the Earth is approximately 384,400 km, or or \(3.844 \times 10^8\) meters.

The following equation may be used to determine the Moon's orbital velocity:

V = 2πR / T

where T denotes the Moon's orbital period around the Earth.

The Moon orbits the Earth at a period of around 27.3 days, or \(2.36 \times 10^6\) seconds.

When we solve for V by substituting the values of R and T into the equation, we obtain:

\(V = 2\pi (3.844 \times 10^8 m) / (2.36 \times 10^6 s) = 1022.7 m/s\)

When we solve for V by substituting the values of R and T into the equation, we obtain:

\(ac = (1022.7 m/s)^2 / (3.844 \times 10^8 m) = 0.027 m/s^2\)

Centripetal acceleration is always perpendicular to the object's motion and is aimed at the circle's centre. This indicates that it modifies the object's direction rather than its speed. The formula provides the magnitude of the centripetal acceleration  \(a = v^2 / r\), where r is the circumference of the circular route and v is the object's speed.

Since it governs the motion of many items in our daily lives, centripetal acceleration is a crucial idea in physics. Centripetal acceleration, for instance, is responsible for the rotation of a car's tyres while cornering as well as the motion of planets in their orbits around the sun. Centripetal acceleration is not present, instead of moving in a curved route, these things would move in a straight line.

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Answer:

Hertz

Explanation:

How long is a sound wave? Sound frequency (pitch) is measured in Hertz. 1 Hz is one cycle per second.

Answer:

Height

Explanation:

I’m not to sure this is correct please correct me if I am wrong

Answer:

Explanation:

chemical energy  :)   yay...  we can live  :D