This diagram is the same as the one in the last question, showing a person on a planet watching you travel to the right at 0.9c, while you have a flashlight turned on with the light shining to the right. Which of the following statements is not true from the point of view of the person on the planet?
A) If you can accelerate enough, you'll soon be going faster than the flashlight beam.
B) The light beam's speed is only 0.1c faster than your speed.
C) Your mass is greater than it would be if you were not moving.
D) The light from the flashlight beam is moving to the right at the speed of light c.
A) If you can accelerate enough, you'll soon be going faster than the flashlight beam.
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Briefly describe why the fact that we detect neutrinos coming from the Sun supports the idea that the Sun generates energy by nuclear fusion
What will be an ideal response?
Carbon-14 has a half-life of 5730 years. You discover a single carbon-14 nucleus in your laboratory. What is the probability that it will decay in the next 24 hours?
A. 4.9 x 10-7 B. 3.3 x 10-7 C. 4.8 x 10-7 D. It cannot be known unless the age of the nucleus is known.
During a reaction, 1.7 × 10-4 J of energy is released. What change of mass would cause this?
A) 5.1 × 10-4 kg B) 4.3 × 10-11 kg C) 1.5 × 10-13 kg D) 4.8 × 10-18 kg E) 1.9 × 10-21 kg
The rapid change of an electric field induces
A) a stronger electric field. B) a magnetic field. C) both of these D) none of the above