Which location in the image below represents the OLDEST rocks?
1 answer:
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16.7
Explanation:
Given parameters:
Force applied to Jack = 120N
Force produced by Jack = 2000N
Unknown:
Mechanical advantage of jack = ?
Solution:
Mechanical advantage is the ratio of force produced by the device and the force applied on it.
It is used to access the performance of a machine.
M.A = \frac{force output}{force input}
Now input the parameters;
M.A =
M.A = 16.7
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Answer:
i added this table for some help
Explanation:
here are some examples
<u>metals:</u>They are hard and shiny, strong, and easy to shape. They are used for many industrial purposes. This group includes iron, gold, silver, chromium, nickel, and copper, some of which are also noble metals.
<u>non-metals:</u>a chemical element (as boron, carbon, or nitrogen) that lacks the characteristics of a metal and that is able to form anions, acidic oxides, acids, and stable compounds with hydrogen.
<u>metalloids:</u>Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor. Metalloids have mixed properties which are difficult to characterize.
