Explain how a volcanologist can piece together the history of a volcano by studying the rock that makes up the volcano

1 answer:

3 0

The rock, depending on which kind, metaphoric, sedimentary, or igneous, most likely igneous, the volcanologist can determine the age of the rock. The age of the rock says how long it has been in the volcano, for example, diamond is made in a volcano, finding how old it makes it rarer, and expensive and adds a lust to it too. Therefore, How old the rock is can determine how old approximately the volcano can be.

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An arrow is launched with an initial velocity of 7.6 m/s at an angle of 42 degrees above the horizontal. What is the horizontal

AleksAgata [21]

Explanation:

At any point on the arrow's trajectory, the horizontal component of the velocity is the same. Therefore, the horizontal component of the velocity at the top of its trajectory is

$v_x = v_{0x} = v_0\cos{42°} = (7.6\:\text{m/s})\cos{42°}$