Physics, 05.10.2021 14:00 blackops3318
Please help 50 points
12. The main two ways scientists share results of an experiment are by writing a paper
and submitting it to an academic journal or presenting their findings to their students
at universities.
True
False.
11. Imagine that you are immersed under a beautiful cosmic meteor shower which instrument would best help you view the largest portion of the sky
A refracting telescope
B binoculars
C sextant
D compound telescope
10. What type of telescope is know to be difficult to keep aligned
A compound
B refracting
C reflecting
D radio
9. If you were to be researching and studying similarities between our sun and a neighboring star you would conducting a scientific investigation
A solar
B contrasting
C comparative
D experimental
8. Marcy has just written down a question about a scientific observation that she’s made in order to correctly follow the scientific method what should she do next
A share the results of your observation
B form a hypothesis
C create an experiment to test your question
D revisit your observation
7. Peering through a telescope could be considered step 1 of the scientific method
True or false
6. Optical telescope collect and focus
A Atoms
B sound waves
C mirrors
D light
5. What type of scientific investigation would include creating a chart that shows the phases of the moon
A comparative
B chronological
C descriptive
D lunar
4. Which type of telescope would an astronomer most likely use to try and search for a black hole
A radio telescope
B refracting telescope
C compound telescope
D reflecting telescope
3. The scientific method is
A a way scientists choose the best tools for investigations
B a way scientists find out how to become professors
C a way scientists answer question later and solve problems
D a way scientists communicate between disciplines
2.Which type of telescope would you want to suggest to an amateur star gazer for its ease of set up and its ability to stay aligned easily
A compound
B refracting
C reflecting
D radio
1.Radio telescopes bring to focus light waves
True or false
Answers: 1
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The vector a? is 3.50 cm long and is directed into this page. vector b? points from the lower-right corner of this page to the upper-left corner of this page and has the components bx=-19.5 cm , by=25 cm. in the right-handed coordinate system, where the +x-axis directed to the right, the +y-axis toward the top of the page, and +z-axis out of the page, find the x-component of the vector product a? Ă—b? , measured in cm2.
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Please help 50 points
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