Which of these factors was definitely not a consideration in Einstein\'s making

Question

Which of these factors was definitely not a consideration in Einstein's making the postulate that the speed of light is constant for all observers?

Which of these factors was definitely not a consideration in Einstein's making the postulate that the speed of light is constant for all observers?

Michelson made very accurate measurements of the speed of light.

^Just the first question^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Bottom one for info if needed

Consider a pool game being played on a pool table on the deck of an aircraft carrier near the bow (front). Assume that the carrier is moving north at 25.0 m/s. As a result of the initial break, a ball flies over the edge of the table and over the edge of the deck with a horizontal component of velocity directed toward the bow of the ship of 5.00 m/s. What is vbw, the horizontal component of the speed with which this ball strikes the water in front of the ship (i.e., what is the speed of the ball relative to the water)?

Maxwell's equations predict that light travels at speed c without any reference to the velocity of the reference frame. The Michelson-Morley experiment showed that the round-trip travel time of light did not depend on the motion of the earth through the ether. Measurements of the locations of distant stars showed an annual circular motion consistent with the hypothesis that the earth was moving through a stationary ether in which the star's light wave traveled.

Michelson made very accurate measurements of the speed of light.

Explanation / Answer

Question 1

Answer : Michelson made very accurate measurements of the speed of light

Reason : Michelson measured the speed of light after Einstein's work, which was published in 1905. The accuracy of the speed of light was immaterial to Einstein except that it had to be a speed beyond practical comprehension

Question 2 :

Using Galilean relativity for velocity addition

Vbw = Vb - Vw = 5 - (-25) = 5 + 25 = 30 m/s

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