There are other forces that act at a distance, including gravity and static electricity. The force of magnetism is related to electricity. In fact, magnetism is the result of a moving electric charge. You may be familiar with magnets attracting, or pulling, metal objects toward them.
Answer:
class
Explanation:
An examination of a tool mark is essential when it comes to "Criminalistics" <em>(the study of physical evidence in a crime). </em>It allows the forensic investigator to know what kind of tool was used in the crime scene. There are only two kinds of characteristics of tool marks and these are: individual and class. <em>Striated and molded are types of tool marks. </em>They are not characteristics.
The "class" characteristic of a tool mark allows the investigator to know the <u>shape of tool, its dimensions and its type</u>. However, <em>it doesn't point to the exact tool that was used, </em>but it gives him an idea how the mark was actually created.
Answer:
the electric force and the magnetic force.
Answer:
A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products. ... Chemical reactions differ from physical changes, which include changes of state, such as ice melting to water and water evaporating to
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Answer:
a) , b)
Explanation:
a) The distance between the center and one of the foci is:
The shortest distance is:
b) The longest distance is: