Total discharge head includes?

Answers

Answer 1
Answer: The term “total” indicates that it includes the static pressure head (h), the velocity head (hv), and the elevation head (Z).

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What object in the solar system is always one foci

Answers

 The Sun if the object in the solar system that is always one foci. It is also the source of radiation energy which radiates throughout the system. Sun is the only natural source of energy that has helped the growth of life on the planet earth. Without sunlight, life would never have begun on earth.

What is the resistance of an object to moving or to stoppingA. Gravity

B. Inertia

C. Gravitational Force

Answers

Inertia is the resistance of an object to moving or stopping
i believe the answer is C

The correct notation for an alpha particle

Answers

Answer:

α or He⁴₂

Explanation:

*The computer does not allow for the 4 and 2 to be directly inline

The alpha particle can be notated as a simple "α". Since that symbol is the letter alpha in Greek. Another way of notating the particle is "He⁴₂" (where the 2 is directly under the 4), this is because an alpha particle contains the exact same components of a helium nucleus, two protons, and two neutrons (with an atomic mass of four).

Can't find the options on the keyboard so ill try to describe it. I think either an He symbol or the greek letter alpha is accepted. There must be a 4 at the top left and a 2 at bottom left. 

A pendulum has a period of 0.3 second. What is its frequency?

Answers

Frequency= 1/T T=Period T=0.3 Frequency = 3.33 repeating. Hz

Which phase of matter has a fixed volume, but variable shape?

Answers

Solids don't change their shape, and gases have no fixed volume. So the answer must be the LIQUID phase.
The phase of matter that has a fixed volume and variable shape would be solids. 

Air, liquid, and gas all have variable shapes. Air can be compressed and put inside of can, so the shape of it changes. Liquid can be poured and can take the shape of whatever type of container it is in. Gas is the same way and it can take any shape. 

I am one of the most dynamic processes of Earth. I help recycle Earth's materials. I move Earth's crustal plates, creating many different geological surface features. I am also the cause of natural disasters, such as earthquakes and volcanoes. What am I?

Answers


I Can only think of tectonic plates or gravity

Continental Drift.. ✌