New questions and challenges in Physics

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Physics, 08.05.2022 14:40
Which year was pluto no longer considered a planet?....
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Physics, 08.05.2022 09:30
The greek scientist who stated that the sun is the center of the solar system and that the earth revolves around it was....
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Physics, 07.05.2022 19:20
What are two pieces of evidence that support the big bang theory?....
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Physics, 07.05.2022 08:30
Why do we expect the cosmic background radiation to be almost, but not quite, the same in all directions?....
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Physics, 07.05.2022 02:50
An elevator carrying a person of mass m is moving upward and slowing down. How does the magnitude f of the force exerted on the person by the elevator floor compare with the magnitude mg of the gravit...
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Physics, 07.05.2022 01:00
I need help ASAP! All help is appreciated:) Waldo gets stopped by the police, and the police officer tells Waldo that she caught him on radar doing 50 miles per hour in a 40 miles per hour zone. Wal...
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Physics, 06.05.2022 21:20
Explain how snell’s law is used in designing lenses....
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Physics, 06.05.2022 04:50
Two cars start at the same point and drive in a straight line for 5 kin. At the end of the drive their distances are the same but their displacements are different. Explain how this could happen...
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Physics, 05.05.2022 21:00
(4.) The magnitude of the vector sum of two vectors a and b is 8u, and magnitude of b is 5u. If the direction of a is reversed, the magnitude of the vector sum becomes 10u. Find the angle between a an...
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Physics, 05.05.2022 14:00
Gold-198 is used as a tracer to test liver functions in low-level liver scans. If 20 grams of Au-198 decays to 5 grams after 5 days, what is the half-life of Au-198?...
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Physics, 05.05.2022 14:00
Can someone please help me! ...
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Physics, 05.05.2022 03:20
1.What is electricity? 2.What are the various sources of electricity? 3. The difference between AC and DC electricity/power 4.How to ensure electrical safety for electrical equipme...
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Physics, 05.05.2022 03:10
Several companies produce personal water filters that can travel anywhere. Such filters make any water safe to drink by removing bacteria and other contaminants. However, they cannot filter heavy meta...
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Physics, 05.05.2022 02:10
What term is used for the tendency to attribute your own behavior to external causes while attributing the behavior of others to internal causes? hindsight bias discrimination bias sel...
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Physics, 05.05.2022 01:00
Write a word problem below that describes an object ,vith a distance greater than zero, but a final displacement that is equal to zero. Draw a diagram that illustrates the word problem. Make sure you...
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Physics, 05.05.2022 01:00
An apple is released from rest 500 m above the ground. Due to the combined forces of air resistance and gravity, it has a speed of 40 m s when it reaches the ground. What percentage of the initial mec...
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Physics, 05.05.2022 01:00
How does nuclear fusion affect the life cycle of a star?....
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Physics, 04.05.2022 22:20
Is putting ice cubes into soup convection, conduction or radiation...
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Physics, 04.05.2022 21:50
Based on the information presented in the introduction of this problem, what is a sound wave?....
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Physics, 04.05.2022 21:30
If you running a mile for time, which is the best method to maximize your outcome in completing your jog in a good time?...
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