Answer:
a. Distance and displacement
Distance :-)
- <em>Distance is the length of a path between two points.</em>
- <em>Distance is a scalar quantity.</em>
- <em>Distance is denoted by “d”.</em>
Displacement :-)
- <em>Displacement is the shortest distance between two points.</em>
- <em>Displacement is a vector quantity.</em>
- <em>Displacement is denoted by “s”.</em>
b. Speed and velocity
Speed :-)
- <em>Speed is the time rate at which an object is moving along a path.</em>
- <em>Speed is a scalar quantity.</em>
- <em>Formula is s= d/t.</em>
<em>Velocity :-)</em>
- <em>Velocity is the rate and direction of an object's movement.</em>
- <em>Velocity </em>is a vector quantity.
- <em>Formula is d= s/t.</em>
c. Work and power
Work :-)
- <em>Work is defined as the process of energy transfer to the motion of an object through the application of force.</em>
- <em>Work is a scalar quantity. </em>
- <em>The SI unit of work is Joule (J).</em>
Power :-)
- <em>Power is defined as the amount of energy transferred in unit time. </em>
- <em>Power is a scalar quantity.</em>
- <em>The SI unit of power is Watt (W).</em>
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Hope its helpful :-)
If so, please mark me as brainlist :-)
Answer:
Gate control theory.
Explanation:
This question wants to test our knowledge on health Psychology that is to say the perception of pain for instance how high the scale of pain is whether it is Acute or chronic.
Gate control theory explains how the body respond to pain by blocking it. Pain can be blocked through psychological factors or by using neurotransmitters such as endorphins.
According to Gate control theory pain can be blocked by using ng medications such as Narcotics and Analgesics.
Answer:
112.8 million in the United States since 2019.
Answer:
2. statement I and II only