Physics, 16.10.2019 07:30 Serenitybella
Recall what you learned about the state of virginia. choose the statements that describe the paleontology of the
state. check all that apply.
the rocks in virginia represent many periods in history.
virginia was once covered by a sea.
virginia's fossils include woolly mammoths.
the allegheny plateau includes coal deposits
virginia is home to fossils that are mostly from the cenozoic era
the state's climate was once warm and humid, like a tropical jungle.
Answers: 2
Physics, 22.06.2019 04:10
You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).
Answers: 2
Physics, 22.06.2019 05:50
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyerโs error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 2
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 14:00
Often called simply "velocity," this is the velocity of an object at a particular moment in time.
Answers: 1
Recall what you learned about the state of virginia. choose the statements that describe the paleont...
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