Which of the following is an assumption rather than a prediction of Einstein's special theory of relativity?
A) the constancy of the speed of light
B) No material object can reach or exceed the speed of light.
C) time dilation
D) the equivalence of mass and energy
E) length contraction
A) the constancy of the speed of light
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How do scientists study the history of life on Earth?
A) by comparing present-day organisms with each other, and assuming past life had mixed traits of present-day organisms B) by assuming that life in the past was just like present-day life C) by using telescopes to look far away, and thus see what life was like in the past D) by studying fossils, the preserved remains of past organisms
Hydrogen exists as a gas, liquid, and solid within Jupiter
Indicate whether the statement is true or false
The crescent shapes of spots of light cast through openings in trees occurs with a
A) partial eclipse of the Sun. B) total eclipse of the Sun. C) lunar eclipse, partial or total. D) partial lunar eclipse.
Gas in a constant-volume gas thermometer registers a pressure of 95.0 kPa at 100°C. Assuming ideal behavior, what is the temperature of this gas when the pressure is 190 kPa?
A) 546°C B) 527°C C) 491°C D) 473°C E) 200°C