How are rocks related to the surface layer of the Earth?
a. The surface of the Earth is made...
Physics, 28.03.2020 00:17 mariatorres7
How are rocks related to the surface layer of the Earth?
a. The surface of the Earth is made of different types of rocks.
b. Rocks provide clues on how the surface of the Earth is formed.
c. Rocks provide clues on what type of animals lived in the past.
d. The surface of the Earth can affect how rocks are formed
Answers: 3
Physics, 22.06.2019 18:00
By what primary heat transfer mechanism does the sun warm the earth?
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Physics, 22.06.2019 22:00
Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 × 106 m b. 2.94 × 108 m c. 7.8 × 1010 m d. 4.6 × 1013 m
Answers: 1
Physics, 22.06.2019 23:00
Acommon technique in analysis of scientific data is normalization. the purpose of normalizing data is to eliminate irrelevant constants that can obscure the salient features of the data. the goal of this experiment is to test the hypothesis that the flux of light decreases as the square of the distance from the source. in this case, the absolute value of the voltage measured by the photometer is irrelevant; only the relative value conveys useful information. suppose that in part 2.2.2 of the experiment, students obtain a signal value of 162 mv at a distance of 4 cm and a value of 86 mv at a distance of 5.7 cm. normalize the students' data to the value obtained at 4 cm. (divide the signal value by 162.) then calculate the theoretically expected (normalized) value at 5.7 cm.
Answers: 2
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