800 Newtons
Explanation
The average force is the force exerted by a body moving at a defined rate of speed (velocity) for a defined period of time.
the average force is given by:
and
Step 1
a) Let
now, replace
the negative sign indicates the force is in the opposite way ( the force is exerted by the nail to the hammer), so the force is opposite to the direction of the movement
so, the answer is
800 Newtons
I hope this helps you
Answer:
Explanation:
Psychological perspectives: Anxiety disorders: Identification and intervention. of situations, and not just one, as in many other anxiety disorders. episodes, or worsen symptoms, but no single stressor can explain the course of the disorder.
According to the cognitive perspective, one creates coping responses by transforming the anxiety into fear, and develops a plan to deal with it, which will create a sense of security. State and trait anxiety refers to the personality traits of an individual.
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Answer:
The same height above sea level.
Explanation:
The distinctive characteristic of a topographic map is the use of elevation contour lines to show the shape of the Earth's surface. Elevation contours are imaginary lines connecting points having the same elevation on the surface of the land above or below a reference surface, which is usually mean sea level.
F = ma
F/m = a
Acceleration, a = F/m = Force / Mass
a) Mass
Answer:
Theory
Explanation:
Theory is a term that is used often in academic work or scientific research to explain certain things or conditions established on universal principles or laws.
It is used to describe the "why and how" or the reason behind the occurrence of a situation.
Hence, it is correct to conclude that THEORY is "an explanation of the relationships among particular phenomena."