Physics, 09.12.2021 05:10, madisonvinson0
Suppose we observe a Cepheid variable in a distant galaxy. The Cepheid brightens and dims with a regular period of about 10 days. What can we learn from this observation
Answers: 1
Physics, 22.06.2019 06:00, Catgirl7060
(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.
Answers: 1
Physics, 22.06.2019 07:30, bell777
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
Answers: 1
Physics, 22.06.2019 17:10, mrylenastewart
The particles that are found in the nucleus of an atom are
Answers: 1
Physics, 23.06.2019 03:00, ggggggggv24
If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.
Answers: 1
Suppose we observe a Cepheid variable in a distant galaxy. The Cepheid brightens and dims with a reg...
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