what was Einstein's Special theory of relativity
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The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity.Special relativity applies to elementary particles and their interactions, describing all their physical phenomena except gravity. General relativity explains the law of gravitation and its relation to other forces of nature. It applies to the cosmological and astrophysical realm, including astronomy.
The theory transformed theoretical physicsand astronomy during the 20th century, superseding a 200-year-old theory of mechanics created primarily by Isaac Newton. It introduced concepts including spacetime as a unified entity of space and time, relativity of simultaneity, kinematic and gravitational time dilation, and length contraction. In the field of physics, relativity improved the science of elementary particles and their fundamental interactions, along with ushering in the nuclear age. With relativity, cosmology and astrophysicspredicted extraordinary astronomical phenomena such as neutron stars, black holes, and gravitational waves
The theory transformed theoretical physicsand astronomy during the 20th century, superseding a 200-year-old theory of mechanics created primarily by Isaac Newton. It introduced concepts including spacetime as a unified entity of space and time, relativity of simultaneity, kinematic and gravitational time dilation, and length contraction. In the field of physics, relativity improved the science of elementary particles and their fundamental interactions, along with ushering in the nuclear age. With relativity, cosmology and astrophysicspredicted extraordinary astronomical phenomena such as neutron stars, black holes, and gravitational waves
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In 1905, German-Swiss-American physicist Albert Einstein combined the idea that experiments performed at a constant speed will give the same results as experiments that are stationary, with the idea that the speed of light will remain constant from both perspectives.[1] The first assumption is a result of Galileo’s relativity (discussed in Chapter 3). The second assumption comes from the Michelson-Morley experiment (discussed in Book II).
In 1632, Italian natural philosopher Galileo Galilei showed that there’s no experiment that can distinguish if you are moving at a constant speed or velocity or if you are stationary without involving an external source, like a window to look out of.[2] This means that there’s no such thing as absolute speed or velocity, and something can only be said to be moving at a constant velocity relative to something else. In the same way, something can only be said to be stationary relative to something else.
Galileo also showed that speeds and velocities are additive. This means that if someone runs at speed u' across the deck of a ship moving at speed v, then the speed measured by someone on the shore (u) would be:
u = v + u'(7.1)
#hope it helps
#mark brainliest
@hermoinegranger 7
In 1632, Italian natural philosopher Galileo Galilei showed that there’s no experiment that can distinguish if you are moving at a constant speed or velocity or if you are stationary without involving an external source, like a window to look out of.[2] This means that there’s no such thing as absolute speed or velocity, and something can only be said to be moving at a constant velocity relative to something else. In the same way, something can only be said to be stationary relative to something else.
Galileo also showed that speeds and velocities are additive. This means that if someone runs at speed u' across the deck of a ship moving at speed v, then the speed measured by someone on the shore (u) would be:
u = v + u'(7.1)
#hope it helps
#mark brainliest
@hermoinegranger 7
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