Fireworks go off at the same time according to Earth clocks in two cities, Sydney and Canberra, which are 300 km apart. The people in a spaceship that is flying in a straight line from Sydney to Canberra at 0.80 c also observe the fireworks. Do they see the fireworks in the two cities simultaneously? If the people in the spaceship say the fireworks were not simultaneous in Sydney and Canberra, how long before or after the fireworks flashed at Sydney did the fireworks flash at Canberra according to their calculations? (The spaceship is directly over Sydney when the fireworks flash.)
A)Yes; 0
B)Before; 1.0 * 10-3 s
C)After; 1.0 * 10-3 s
D)Before; 1.3 * 10-3 s
E)After; 1.3 *10-3 s

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The Answer of Fireworks go off at the same time according to Earth clocks in two cities, Sydney and Canberra, which are 300 km apart. The people in a spaceship that is flying in a straight line from Sydney to Canberra at 0.80 c also observe the fireworks. Do they see the fireworks in the two cities simultaneously? If the people in the spaceship say the fireworks were not simultaneous in Sydney and Canberra, how long before or after the fireworks flashed at Sydney did the fireworks flash at Canberra according to their calculations? (The spaceship is directly over Sydney when the fireworks flash.)
A)Yes; 0
B)Before; 1.0 * 10-3 s
C)After; 1.0 * 10-3 s
D)Before; 1.3 * 10-3 s
E)After; 1.3 *10-3 s

Fireworks Go Off at the Same Time According to Earth