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mixer [17]
2 years ago
11

A quantity that is fully described by magnitude alone is a ___________ quantity. A quantity that is fully described by both magn

itude and direction is a ___________ quantity.
Physics
1 answer:
deff fn [24]2 years ago
7 0

Answer:

Scalar quantity

Vector quantity

Explanation:

A scalar quantity is a quantity that is fully described by magnitude alone. Examples include; mass, temperature etc

A vector quantity is described by both magnitude and direction. E.g force, weight etc

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The amount of energy lost at the transition between each trophic level of the pyramid of energy is about _______. a. 10% b. 50%
Sophie [7]

The amount of energy lost at the transition between each trophic level of the pyramid of energy is about 90%.

There are a total of 4 trophic levels.

The producers which bare plants represent the first trophic level. Herbivores represent the second trophic level. Carnivores represent the third trophic level. Top carnivores represent the fourth trophic level.

The 10 % rule is followed by the energy flow in a food chain. It means that moving from one trophic level to another, only 10% of energy is transferred and the rest is lost in the atmosphere.

So the 90% percent energy is lost at the transition between each trophic level of the pyramid of energy.

If you need to learn more about the trophic levels, click here

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3 0
1 year ago
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Which of two factors influence the weight of an object due to gravitational pull?
densk [106]
The weight of an object when calculated by multiplying with the pull of the gravity is dependent on the mass of the object and the value of g. The value of g is constant however is still dependent on the distance of the object from the center of the Earth. Thus, the answers are <em>mass and distance. </em>
5 0
3 years ago
Given three different locations on Earth's surface, where will the weight of a person be greatest?
Feliz [49]

Answer:

Explanation:

In order to answer this question, we simply have to refer to the laws of the equations of gravitational mechanics.

The equation given by Newton tells us that  

F = \frac{Gm_{1} m_{2}  }{r^{2} }

In the case where we compare a specific place where the Force of Gravity is greater or lesser, we focus on the term assigned to the Planet's Radius.

In the case of G, m_{1} ,m_{2}, we understand that they are constant.

We can easily notice that the more the Radius (Height seen from a viewer on the ground), the lower the force will be.

In other words, the smaller the radius in which the measurement is made with respect to the center of the earth, the greater the gravitational force.

In that order of ideas the smallest radio has South Pole, which is about 6356 km from the center of the Earth on the Equator line

4 0
2 years ago
Which is the correct unit for electrical power?<br> a) amp<br> b) volt<br> c) watt<br> d) coulomb
musickatia [10]
T<span>he correct unit for electrical power is "watt".
</span>

That<span>’s actually the unit that measures the rate per time that electric energy is transferred.</span>

<span>
</span>

<span>Have a nice day! :)</span>

8 0
3 years ago
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On earth which of the following are being investigated to contain fusion reactions
Vera_Pavlovna [14]

Answer:

A. Inertial Confinement and B. Magnetic Confinement

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