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+98
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How do you calculate the speed of a falling object at any given distance from the center of gravity?
asked
Feb 18, 2023
in
Physics
by
RB2
+7
votes
0
answers
Do you believe that the influence of frequencies, vibrations, or energies in the environment can affect your well-being, spiritually?
asked
Feb 18, 2023
in
Physics
by
relationspacesuit
+26
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0
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According to RoS (relativity of simultaneity), a spaceship travelling at close to light speed from a distance of 1 light year is 1 year in the past of our time! Yet the spaceship says we are 1 year in the future! How is this physically possible?
asked
Feb 18, 2023
in
Physics
by
hundleton1
+1
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0
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What is inside a black hole? What is the density like inside one? If nothing can escape from it, how do we know what's inside it?
asked
Feb 18, 2023
in
Physics
by
Ed311293
+13
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0
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How do rockets overcome gravity?
asked
Feb 18, 2023
in
Physics
by
Dave Reece
+115
votes
0
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Did Newton copy Coulomb?
asked
Feb 18, 2023
in
Physics
by
SeraphicOracle
+239
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0
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Why does Earth have a breathing mode where the radius of the Earth shrinking and expanding with a period of about 20.5 minutes?
asked
Feb 18, 2023
in
Physics
by
Steven2011
+18
votes
0
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An 80 cm cube of iron weighs 624 grams. How would you calculate the density of iron?
asked
Feb 18, 2023
in
Physics
by
LunarWhirl
+7
votes
0
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What is the term "test charge"?
asked
Feb 18, 2023
in
Physics
by
Sjr120
+27
votes
0
answers
A skier leaves the end of a horizontal ski jump at 25.0 m/s and falls through a vertical distance of 3.10 m before landing. What happens?
asked
Feb 18, 2023
in
Physics
by
mikki
+144
votes
0
answers
Why does thrust differ in different reference frames? I find different thrust values in the aircraft-based reference frame and the ground-based reference frame while calculating net thrust on the aircraft due to jet engine. Why are they different?
asked
Feb 18, 2023
in
Physics
by
Colin Robinson
+7
votes
0
answers
What is meant by base units?
asked
Feb 18, 2023
in
Physics
by
LuminousDreamer
+1
vote
0
answers
How do you calculate acceleration if speed, force and mass are given?
asked
Feb 18, 2023
in
Physics
by
Morphine
+21
votes
0
answers
What is the connection between radio waves, microwaves, infrared rays, visible light and ultraviolet rays? Why is it important to know about them as a group?
asked
Feb 18, 2023
in
Physics
by
Bigstinka
+1
vote
0
answers
Why doesn't kinetic energy increase when you go downhill at a constant speed? Doesn't potential energy decrease, so kinetic energy increases?
asked
Feb 18, 2023
in
Physics
by
Christopher Kuch
(
3.0k
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+5
votes
0
answers
How fast would you be going if you started off driving with a constant speed after ten minutes?
asked
Feb 17, 2023
in
Physics
by
mantor
+260
votes
0
answers
What's the difference between a mathematician and a physicist? What makes someone choose to go down one path over another?
asked
Feb 17, 2023
in
Physics
by
hoverregularly
+14
votes
0
answers
If I stack two pure metal blocks together, will the delocalized electrons be able to jump from one block to another?
asked
Feb 17, 2023
in
Physics
by
Allun
+63
votes
0
answers
What is the speed at which gravitational waves propagate? How do we know this?
asked
Feb 17, 2023
in
Physics
by
TonyTonyTony
+16
votes
0
answers
How does friction helps in motion if it is a force that resists the motion. Is there no motion in vacuum where there is no friction?
asked
Feb 17, 2023
in
Physics
by
Louie007
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