The most common states of awareness include conscious and unconscious. Wakefulness refers to a state of consciousness that is characterized by high levels of awareness and thought.
- Fast, irregular, and low-amplitude electrical activity correspond to WAKEFULNESS.
- An electroencephalogram is a diagnostic test that can be used to measure the brain's electrical activity during wakefulness and sleep.
- Wakefulness is characterized by low-voltage (i.e., 5 to 10 microvolts) and high-frequency brain waves. These waves are known as beta and gamma waves.
- Conversely, sleep is characterized by higher voltage and slow brain waves (i.e., synchronized pattern).
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<em>The balloon will attach to the wall because the balloon's negative charges will drive the electrons in the wall to shift to the other side of their atoms, leaving the wall's surface positively charged.</em>
The metal will no longer give the correct temperature reading if we do not drip off the water before it is placed in the calorimeter.
Explanation:
- The calorimeter is a device used to measure the flow of heat from a chemical reaction or a physical change.
- A basic calorimeter is consists of a metal container of water above the combustion chamber. The process of measuring heat is called calorimetry.
- As soon as the water begins to boil the metal should be placed so that it can obtain a constant flow of thermal energy from the boiling water instead of placing the water in cold water receiving inconsistent temperature.
- When you remove the tube with a metal form from boiling water, you hesitate before dumping the metal, the metal will no longer be the temperature of boiling water.
Answer:B.
Both increase as the mass and velocity increase.
To solve this problem it is necessary to apply the concepts related to the Centrifugal Force and the Gravitational Force. Since there is balance on the body these two Forces will be equal, mathematically they can be expressed as
Where,
m = Mass
G =Gravitational Universal Constant
M = Mass of the Planet
r = Distance/Radius
Re-arrange to find the velocity we have,
At the same time we know that the period is equivalent in terms of the linear velocity to,
If our values are that the radius of mars is 3400 km and the distance above the planet is 100km more, i.e, 3500km we have,
Replacing we have,
Therefore the correct answer is C.