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choli [55]
3 years ago
15

Doing aerobic exercise is most important because it

Physics
1 answer:
frutty [35]3 years ago
3 0
Because it increases cardiorespiratory fitness and means that one has a strong heart and circulatory system. This results in being able to avoid heart disease and other dangerous diseases or disorders. Additionally, exercise can help our mental health along with maintaining weight and staying physically healthy.
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A 40kg box of junk food is being pushed along a wooden floor with a force of 100N. If the coefficient of friction is 0.2, what w
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Is there a picture to go with this?
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If water is at 50* C and energy is removed from the water until it is at - 10* C
aliya0001 [1]

Answer: B) Solid water to liquid water.

Explanation: This would be the melting of water or a transition of solid water to liquid water as energy is added.

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3 years ago
INT Raindrops acquire an electric charge as they fall. Suppose a 2.0-mm-diameter drop has a charge of 12 pC; these are both very
horsena [70]

Answer:

W = 2.3 10² F_{e}

Explanation:

The force of the weight is

         W = m g

         

let's use the concept of density

         ρ= m / v

the volume of a sphere is

         V = \frac{4}{3} π r³

         V = \frac{4}{3} π (1.0 10⁻³)³

         V = 4.1887 10⁻⁹ m³

the density of water ρ = 1000 kg / m³

          m = ρ V

          m = 1000 4.1887 10⁻⁹

          m = 4.1887 10⁻⁶ kg

therefore the out of gravity is

          W = 4.1887 10⁻⁶ 9.8

          W = 41.05 10⁻⁶ N

now let's look for the electric force

           F_e = q E

           F_e = 12 10⁻¹² 15000

           F_e = 1.8 10⁻⁷ N

         

the relationship between these two quantities is

          \frac{W}{F_e} = 41.05 10⁻⁶ / 1.8 10⁻⁷

           \frac{W}{F_e} = 2,281 10²

             

             W = 2.3 10² F_{e}

therefore the weight of the drop is much greater than the electric force

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3 years ago
Why are convection currents; why are they hotter and colder parts of earth
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This current causes earth quakes that makes a river,pond,or a lake
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7 0
3 years ago
Read 2 more answers
456.7 in scientific notation
Goshia [24]
The number 456.7 in scientific notation is:

456.7

456.7 x 10^0

4.567e2

4.567 x 10^2
5 0
3 years ago
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