if a truck travels 5 kilometres in 10 minutes find the average velocity of the truck?​

Answer:

1 Cubic meter (m3) is equal to 1000000000 cubic millimeters (mm3).

Answer: Wind follows a pattern because the Earth is spinning in one motion. If we were spinning in one way then another we would have one day go by then the spinning cycle would change and we would have to go through that day all over again, it would not be logical because then we would be in the same season as well, we would be in one season for the rest of our lives until we died.

I don't know if this was helpfull or not but I hope it was somewhat close to helpful? If it is not then please do not report this, I am sorry if this was the least bit helpful.

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Correlation is a measure of the linear relationship between two variables. It indicates the degree to which a change in one variable is associated with a change in the other variable.

Correlation does not necessarily imply causation, meaning that just because two variables are correlated does not mean that one variable caused the other to change.

There are a few reasons for this. First, correlation does not indicate the direction of the relationship. For example, two variables could be positively correlated (increase together) or negatively correlated (one increases while the other decreases), but correlation alone does not indicate which is the case.

Second, there may be third variables that are affecting both of the variables being correlated. For example, a study might find that ice cream sales are positively correlated with shark attacks.

However, this does not mean that eating ice cream causes people to be attacked by sharks, or that sharks attack more when people are eating ice cream. Instead, the third variable is likely temperature.

On hot days, people are more likely to buy ice cream and more likely to go swimming, which leads to more shark attacks.

In summary, correlation does not necessarily imply causation and other methods, such as experiments, are needed to establish causal relationships.

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Answer:

Power required = 3.5E8 * 9.0E4 = 3.2E13     (watts)

Power supplied = 1.5E3 * .15 * 3600 * 6    (watts / m^2) * A

= 1.5E3* .15 * 3600 * 6 = 4.9E6 * A

A = 3.2 / 4.9 * E7 = 3.2 / 4.9 * 10 = 6.5 km*2    (1 km^2 = 10E6 m^2)

Note:  1 W = 1 J / sec    1 kw = 1000 W

The area needed to satisfy US energy needs using solar cells 6.5 km²

Energy is the ability or capability to do tasks, such as the ability to move an item (of a certain mass) by exerting force. Energy can exist in many different forms, including electrical, mechanical, chemical, thermal, or nuclear, and it can change its form.

Power required = 3.5E8 * 9.0E4 = 3.2E13     (watts)

Power supplied = 1.5E3 * .15 * 3600 * 6    (watts / m^2) * A

= 1.5E3* .15 * 3600 * 6 = 4.9E6 * A

A = 3.2 / 4.9 * E7 = 3.2 / 4.9 * 10

= 6.5 km*2  

The area needed to satisfy US energy needs using solar cells 6.5 km².

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1. They have evolved their leaves into spikes for minimum water loss through transpiration.

2. They have a waxy layer for minimum water loss.

3. They have thick walls for minimum water loss.

4. They can take water from atmosphere.

5. They change the photo energy from Sun into an intermediate stage and store it, so that they can make food even in night.

Answer:

Explanation:

The acceleration of an object given it's velocity and time taken can be found by using the formula

\(a = \frac{v}{t} \\ \)

where

v is the velocity

t is the time

We have

\(a = \frac{30}{5} \\ \)

We have the final answer as

Hope this helps you

Answer:

(sorry if it's wrong)

Explanation:

The radius of the new orbit should be 4 times larger to increase the satellite period 8 times.

Calculation:-

Using the formula for the satellite period.

T = 2π \(\sqrt{\frac{R^{3} }{GM} }\)

In which R is the average radius of orbit for the satellite G is the gravitational constant, and M is the mass of the planet.

Therefore the radius of the new orbit ought to be four instances large to increase the satellite period 8 instances.

The orbital length is without delay associated with the common distance among the planet and the sun. This regulation means that planetary orbital velocity decreases with increasing distance from the sun.

The orbital length will increase if the orbital distance is multiplied. As the distance of the planet from the solar increases, the length of revolution decreases. you could calculate the space in more than one methods. One way is to multiply the calculated rate by the length.

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A sprinter weighing 47 kg must apply 705 N of horizontal force to the starting blocks in order to achieve this acceleration.

acceleration describes the speed and direction changes in velocity over time.When something moves faster or slower down in a straight line, it is said to be accelerating.

Positive acceleration is a property of objects that are accelerating and travelling in the right direction.In the first illustration, positive acceleration was demonstrated by the moving car.The vehicle is accelerating as it moves forward and is travelling in a favorable direction.

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Answer:

options

Explanation:

Answer:

I think it's Miami-Dade

Explanation:

i hope this helps

Answer:

it is miami-dade!

Explanation:

The initial speed of the cougar is 12.17 m/s.

The jumping of a cougar represents a case of projectile motion.

In projectile motion the maximum height(H) is given by the following formula:

H = u^2 sin^2(θ)/2g

Here u = initial speed

θ = angle at which the cougar leaves the ground

g = acceleration due to gravity

Putting H= 3.25 m and sin(θ) = 41°

3.25 = u^2 sin^2(41)/2g

u^2 = 3.25 x 2g/sin^2(41)

u^2 = 3.25 x 2 x 9.8/( 0.65)^2

u^2 = 147.99

u = √147.99

u = 12.17 m/s

Thus, The initial speed of the cougar is 12.17 m/s.

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The process of losing an electron, such as when a free radical steals an electron from a stable molecule, is called electron dissociation.

Electron dissociation occurs when an electron is removed from a stable molecule, resulting in the formation of an ion. This process can be initiated by various mechanisms, including the interaction of the molecule with other reactive species like free radicals. Free radicals are highly reactive molecules that contain an unpaired electron, and they often seek to stabilize themselves by acquiring an electron from nearby molecules.

When a free radical steals an electron from a stable molecule, it causes the molecule to lose an electron and become ionized. This electron dissociation process can have important implications in various chemical reactions and biological processes, as it can lead to the formation of new chemical species and impact the overall reactivity of molecules.

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Answer:

5.775 m/s

Explanation:

radial acceleration = velocity / radius

=> velocity = radial acceleration * radius

=> v = 3.5 * 1.65 = 5.775 (m/s)

The hypothetical upper limit to the mass a star can be before it self-destructs due to the massive amount of fusion it would produce is apparently as a result of Eddington luminosity

Stars are a fixed luminous point in the sky which is a large and remote incandescent body

So therefore, the hypothetical upper limit to the mass a star can be before it self-destructs due to the massive amount of fusion it would produce is apparently as a result of Eddington luminosity

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Answer: 0.25 m/s

Explanation:  Speed = wavelengt · frequency  

v = λf   and frequency is 1/period  f = 1/T

Then v = λ/T = 5 m / 20 s = 0.25 m/s

Answer:

Neutrons

Explanation:

Neutrons are not found in the nucleus of an atom

Answer:

Electrons

Explanation:

=> electrons are not found in nucleus of the

atom

=>. they are outside the nucleus

=> revolving around the nucleus in fixed orbit

hope it helps

The induced current will increase if we move the magnet twice as fast.

We know that an induced current is produced by a changing magnetic field. The greater the speed of the magnet, the greater the magnitude of the current so we can conclude that the induced current will increase if we move the magnet twice as fast.

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Answer:

The induced current will increase.

Explanation:

Answer:

the answers are "mass" and "distance"

Explanation:

hope this helps, plz mark brainiest :)

Since astronomers have concluded that the Sun's activity varies in an 11-year cycle, the statement about this cycle which is true is that: C. The number of sunspots gets larger and smaller over the course of 11 years.

In Science, the Sun can be defined as an astronomical (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.

Based on astronomical records and information, we can reasonably infer and logically deduce that all of the activities which are associated with the Sun generally varies in an 11-year cycle, and this makes the number of sunspots to both get smaller and larger within a period of eleven (11) years.

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Answer:

22.5kg

Explanation:

Since we not told wat to find, we can as well find the mass of the beaver.

Kinetic energy formula is expressed as;

KE = 1/2mv²

m is the mass

v is the speed

Given

KE = 45Joules

v = 2.0m/s

Substitute into the formula and get the mass

45 = 1/2m(2)²

45 = 2m

m =45/2

m = 22.5kg

Hence the mass of the beaver is 22.5kg

These are just personal definitions of the following. They aren't official ones that may come from your textbook, but they are still accurate.

a. Friction is a force that acts against forces in contact with an object.

b. Sliding Friction is a force that acts against the forces making an object slide (e.g. the y component of the object's weight force if it's on an incline)

c. Static Friction is a force that acts on an object that is still/not moving.

d. Rolling Friction is the force making an object roll.

e. Air resistance is a frictional force that acts to slow down a falling object.

f. Terminal velocity is the maximum an object can reach while in free fall due to air resistance.

g. Gravity is a mutual attractive force in between two objects.

h. Weight is the mass of an object multiplied by the gravitational force (usually 9.81 for objects on earth). Weight is a force acting against the normal force keeping objects from phasing through each other.

i. Centripetal force is a force that acts on an object that is turning. This force pulls the object to the outside of the turning track.

j. Momentum is defined by mv (mass times velocity). Momentum is not a force, it is the idea that the motion of an object can depend on its mass and velocity.

I would check official dictionaries, just to make sure these definitions align with your textbook's.

Answer:

they are also close to the ring of fire and the south pole so..

claim 2

Answer:

None of thoes

Ozone layer depletes, direct effect of sunlight

Answer:

Freefall is a special case of motion with constant acceleration because acceleration due to gravity is always constant and downward. This is true even when an object is thrown upward or has zero velocity.

When a ball is thrown up in the air, its velocity is initially upward. Since gravity pulls the object toward the earth with a constant acceleration g, the magnitude of velocity decreases as the ball approaches maximum height. At the highest point in its route, the ball has zero velocity, and the magnitude of velocity increases again as the ball falls back toward the earth.

Answer:

Acceleration from gravity is always constant and downward, but the direction and magnitude of velocity change. At the highest point in its trajectory, the ball has zero velocity, and the magnitude of velocity increases again as the ball falls back toward the earth

Explanation:

Objects do not cease to exist when they are out of reach or view. this concept is referred to as: Object permanence.

Object permanence is the understanding that objects continue to exist even when they are no longer visible or in reach. It is an important developmental milestone in infants and young children, as they begin to understand that objects have a separate existence from themselves and that they can be retrieved or brought back into view.

The concept of object permanence has been studied in psychology and cognitive development, and is believed to be a fundamental building block for later cognitive processes such as memory, problem-solving, and language development.

The ability to form mental representations of objects that are not currently present is also important for social interactions, as it allows individuals to understand that others have their own thoughts, feelings, and perspectives.

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Answer:

12.6 s

Explanation:

y =  1/2 at^2

780.1 =  1/2 ( 9.81) t^2           answer can only have 3 s.d. due to the 9.81

t = 12.6 s

Answer:

Explanation:

line graph

Velocity is vector quantity because it has both magnitude and direction.

Explanation:

velocity is a vector quantity because the person always returns to the original position,the motion would never result in a change in a position.