Physics, 18.01.2020 00:31 nicolemillan20
Suppose you are at the center of a large freely-rotating horizontal turntable in a carnival funhouse. as you crawl toward the edge, the angular momentum of you and the turntable:
a. decreases.
b. increases.
c. remains the same, but the rpms decrease.
d. decreases in direct proportion to your decrease in rpms.
e. none of these
Answers: 2
Physics, 22.06.2019 07:30
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 08:00
Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.
Answers: 2
Physics, 22.06.2019 19:20
Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
Suppose you are at the center of a large freely-rotating horizontal turntable in a carnival funhouse...
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