Question

explain his special theory of relativity​

Answer 1

Answer:

The theory of special relativity explains how space and time are linked for objects that are moving at a consistent speed in a straight line. ... Simply put, as an object approaches the speed of light, its mass becomes infinite and it is unable to go any faster than light travels

Answer 2

Answer:

The theory of relativity states that laws of physics are the same for all sets of observers. This theory states that: There is no absolute reference frame. An observer can measure velocity if the object or momentum is only in relation to other objects.