Reference no: EM132582945

Please answer all of the following questions.

-State and explain the postulates of the special theory of relativity.

-Suppose a person riding on top of a freight car shines a searchlight beam in the direction in which the train is traveling. Compare the speed of the light beam relative to the ground when: A. The train is at rest.

B. The train is moving.

3. How does the behavior of the light beam differ from the behavior of a bullet fired in the same direction from the top of the freight car?

4. Define the following terms:

A. Time dilation

B. Simultaneity

C. Length contraction

D. Mass-energy equivalence

5. What does the equation E = mc2 mean?

6. A rectangular billboard in space has the dimensions 10 meters by 20 meters. How fast and in what direction with respect to the billboard would a space traveler have to pass for the billboard to appear square?

7. How long would a meter stick appear if it were traveling like a properly thrown spear at 99.5 percent of the speed of light?

8. State and explain the principle of equivalence.