Author Question: Two fireworks explode at the same position on the 4th of July. A stationary observer notices that ... (Read 101 times)

anjilletteb · **on:** Jul 28, 2018

Two fireworks explode at the same position on the 4th of July. A stationary observer notices that the time interval between the two events was 5.00 seconds. A second observer flies past the fireworks at a speed of 0.600 c. What value does she obtain when she measures the time interval between the two explosions?
a. 8.33 s
b. 6.25 s
c. 4.00 s
d. 3.00 s
e. 5.00 s

Question 2

A fancy sports car moves past an observer on a corner at a speed of 0.600 c. When the observer indicates a one-second interval has passed, what time interval will be shown on the driver's watch?
a. 1.67 s
b. 0.800 s
c. 1.25 s
d. 0.600 s
e. 1.00 s