How does the explosion of a nuclear bomb provide evidence for the theory of relativity?
A) The mass of the bomb when it explodes is much greater than its normal mass.
B) bomb causes things in its vicinity to move at very high speeds, allowing scientists to measure effects of time dilation.
C) The bomb shortens the lifetimes of all people who happen to be near it when it detonates.
D) The bomb converts rest-mass energy into thermal energy in accord with E = mc2, which is part of the theory of relativity.
D
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Consider the following statement: "Rocky asteroids are found primarily in the asteroid belt and Kuiper belt, while icy comets are found primarily in the Oort cloud." What's wrong with this statement?
A) The Kuiper belt contains icy comets, not rocky asteroids. B) Asteroids are not really made of rock. C) Comets are not really icy. D) The Oort cloud has nothing to do with comets. E) The statement is accurate as written.
When a baseball bat hits the ball, the impulse delivered to the ball is increased by
A. The impulse cannot be changed. B. rapidly stopping the bat after impact. C. letting the bat recoil upon impact. D. "follow through" on the swing, which increases contact time.
Most of the extrasolar planetary systems discovered to date are
A) very similar to our own solar system with inner rocky terrestrial planets and outer gaseous Jovian planets B) similar to our solar system in having inner rocky terrestrial planets but different in having no Jovian planets C) identical to our own with the same number and types of planets as our own solar system D) quite different than our own solar system, many with Jovian planets found close to their parent stars
What impact does the formation of the ozone layer have on our planet?
What will be an ideal response?