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88. A spaceship is moving at 0.6c relative to an observer on Earth. The spaceship emits light with a frequency of 8 x 10^14 Hz. What is the frequency of the light according to the observer on Earth when the spaceship is moving away from the observer? A. 5.12 x 10^14 Hz B. 6.40 x 10^14 Hz C. 8 x 10^14 Hz D. 9.60 x 10^14 Hz

88. A spaceship is moving at 0.6c relative to an observer on Earth. The spaceship emits light with a frequency of 8 x 10^14 Hz. What is the frequency of the light according to the observer on Earth when the spaceship is moving away from the observer? A. 5.12 x 10^14 Hz B. 6.40 x 10^14 Hz C. 8 x 10^14 Hz D. 9.60 x 10^14 Hz

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88. A spaceship is moving at 0.6c relative to an observer on Earth. The spaceship emits light with a frequency of 8 x 10^14 Hz. What is the frequency of the light according to the observer on Earth when the spaceship is moving away from the observer? A. 5.12 x 10^14 Hz B. 6.40 x 10^14 Hz C. 8 x 10^14 Hz D. 9.60 x 10^14 Hz 89. A 1-meter-long rod is moving at a speed of 0.4c relative to an observer. If the observer measures an event at the front of the rod to have occurred 1 second after an event at the back of the rod, what is the time difference between the two events according to an observer on the rod? A. 0.2 s B. 0.5 s C. 1.0 s D. 2.0 s 90. An observer on Earth measures a frequency of 6 x 10^14 Hz for light emitted by a moving spaceship. The spaceship is moving towards the observer with a speed of 0.7c. What is the frequency of the light according to the passengers on the spaceship? A. 3.6 x 10^14 Hz B. 6 x 10^14 Hz C. 8.4 x 10^14 Hz D. 10.2 x 10^14 Hz
Transcribed Image Text:88. A spaceship is moving at 0.6c relative to an observer on Earth. The spaceship emits light with a frequency of 8 x 10^14 Hz. What is the frequency of the light according to the observer on Earth when the spaceship is moving away from the observer? A. 5.12 x 10^14 Hz B. 6.40 x 10^14 Hz C. 8 x 10^14 Hz D. 9.60 x 10^14 Hz 89. A 1-meter-long rod is moving at a speed of 0.4c relative to an observer. If the observer measures an event at the front of the rod to have occurred 1 second after an event at the back of the rod, what is the time difference between the two events according to an observer on the rod? A. 0.2 s B. 0.5 s C. 1.0 s D. 2.0 s 90. An observer on Earth measures a frequency of 6 x 10^14 Hz for light emitted by a moving spaceship. The spaceship is moving towards the observer with a speed of 0.7c. What is the frequency of the light according to the passengers on the spaceship? A. 3.6 x 10^14 Hz B. 6 x 10^14 Hz C. 8.4 x 10^14 Hz D. 10.2 x 10^14 Hz
91. A clock on a spaceship ticks every 3 seconds according to the passengers. An observer on Earth measures the time between ticks to be 4 seconds. What is the speed of the spaceship relative to the observer on Earth? A. 0.5c B. 0.6c C. 0.7c D. 0.8c 92. A particle with a rest mass of 2 kg is moving at a speed of 0.96c relative to an observer. What is the particle's relativistic mass? A. 2 kg B. 4 kg C. 8 kg D. 10 kg 93. A spaceship is moving at a speed of 0.6c relative to an observer on Earth. The spaceship's passengers measure a distance of 500 meters between two points. What is the distance between the points according to the observer on Earth? A. 300 m B. 400 m C. 500 m D. 600 m
Transcribed Image Text:91. A clock on a spaceship ticks every 3 seconds according to the passengers. An observer on Earth measures the time between ticks to be 4 seconds. What is the speed of the spaceship relative to the observer on Earth? A. 0.5c B. 0.6c C. 0.7c D. 0.8c 92. A particle with a rest mass of 2 kg is moving at a speed of 0.96c relative to an observer. What is the particle's relativistic mass? A. 2 kg B. 4 kg C. 8 kg D. 10 kg 93. A spaceship is moving at a speed of 0.6c relative to an observer on Earth. The spaceship's passengers measure a distance of 500 meters between two points. What is the distance between the points according to the observer on Earth? A. 300 m B. 400 m C. 500 m D. 600 m
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