Examlex
An object is thrown upwards from the top of a building, which is 1296 feet tall. The initial velocity is 3 feet per second. Use the position function below to find the height of the object when t=2 seconds.
Upper Mantle
The layer of the Earth located beneath the crust and above the lower mantle, extending from depths of about 35 to 410 kilometers.
Continental Crust
The thick part of the Earth's crust that forms the large landmasses. It is generally older and more complex than oceanic crust.
Basalt
A fine-grained, dark-colored mafic igneous rock, with or without vesicles and phenocrysts of pyroxene, olivine, or feldspar.
Dark Lava Rock
Often basalt, this is a type of volcanic rock that is rich in iron and magnesium, giving it a dark coloration.
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