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3 years ago

How resistance, current, and voltage behave in a series circuit.?

Physics

1 answer:

mylen [45]3 years ago

4 0

b.the covalent circuit is held throw magnetic waves

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Current passes through a solution of sodium chloride. In 1.00 second, 2.68×1016Na+ ions arrive at the negative electrode and 3.9

miskamm [114]

Answer:

a) 10.56mA the current passing between the electrodes

b) away from the negative charge

Explanation:

The detailed step by step calculation is as shown in the atached file.

By Application of faradays first law of electrolysis. i.e Q = it

7 0

3 years ago

Two examples of chemical reactions that involved a thermal energy change:

zzz [600]

Answer:

Option 1 is endothermic

Option 2 is exothermic

Explanation:

In Chemistry, Exothermic reactions are reactions whereby heat energy is transferred to the surroundings and the temperature of the surroundings increases. Endothermic reactions are those whereby heat energy from the surroundings is absorbed and thereby making the temperature of the surroundings to decrease.

This means in simple terms that endothermic reactions will have heat on the reaction side of the equation while exothermic will have heat on the product side of the equation.

Thus;

Option 1 is endothermic since it has heat absorbed on the reactant side.

Option 2 is exothermic since it gives off heat on the product side.

6 0

2 years ago

If the vertical component of velocity for a projectile is 7.3 meters/second, find its hang time.

weqwewe [10]

The height of the projectile is given by:
h = ut - 0.5at²

The height will be 0 twice, once at t = 0 and the second time at the time when the journey has been completed, or t = hang time.
0 = 7.3t - 0.5(9.81)t²
t = 1.49 seconds

4 0

3 years ago

Which of the following is not a benefit of improved cardio-respiratory fitness?

givi [52]

I wanna say it’s D. Slower post exercise recovery time.

8 0

3 years ago

Blood flows through the major artery at 1 m/s for 0.5 m then at a 0.6 m/s over a distance of another 0.5 m through the small art

topjm [15]

Blood flows through the major artery at 1 m/s for 0.5 m then at a 0.6 m/s over a distance of another 0.5 m through the small artery the average speed of blood is 0.4 m/s.

We know that average speed = $\frac{0.5\times1+0.6\times0.5}{2}$ =0.4 m/s

Average speed is an important component in determining how long it takes to finish a journey. Average speed is simply a technique that assists us in calculating trip time and distance. It is obvious that the speed changes throughout the travel, making determining the average speed even more critical.

There are various methods for determining an object's or vehicle's average speed.

It is most desired when the speed of the object remains constant during the voyage, i.e. does not rise or decrease.

The approach for determining the average Speed is to divide. Divide the distance the vehicle travels by the time it travels to get the result.

Learn more about average speed brainly.com/question/12322912

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4 0

2 years ago