Free exam-style questions on Einstein’s 2 postulates with instant AI feedback.
A scientist on Earth observes two spaceships, A and B, moving directly away from Earth in opposite directions. Spaceship A is moving at a sp…
State Einstein's two postulates of special relativity.
Two physics students, Zara on Earth and Kai in a spaceship travelling at a constant velocity of 0.8$c$ relative to Earth, are observing the…
A train is moving at a constant velocity of 0.6$c$ relative to a stationary observer on the ground. Inside the train, a passenger shines a t…
According to Einstein's postulates of special relativity, which of the following statements is always true?
A physics student, Zara, is conducting an experiment inside a train moving at a constant velocity. She shines a laser pointer horizontally d…
Which of the following statements accurately reflects Einstein's postulates of special relativity?