If an astronaut landed on a planet composed of antimatter, there would be an explosion and the
A) planet would annihilate.
B) astronaut would annihilate.
C) astronaut and an equal amount of planet antimatter would both annihilate.
Answer: C
You might also like to view...
An isotope of Tc having a half-life of 6.0 h is used in bone scans. If a certain amount of this Tc is injected into the body, how long does it take for its initial decay rate to decrease BY 99%?
A) 0.060 h B) 3.3 h C) 33 h D) 40 h E) slightly more than a month
A 1.00 nC charge is placed on the x-axis at x = - 1.00 m. A second 1.00 nC charge is placed on the x- axis at x = 1.00 m. A third charge of 1.00 nC is placed on the y-axis at y = - 1.00 m. A fourth charge is place on the y-axis at y = 1.00 m. What is the fourth charge if the electric field at the origin is zero?
A. 1.00 nC B. -1.00 nC C. 3.00 nC D. -3.00 nC E. 2.00 nC
Why do astronomers believe Triton may have been a planet that was captured by Neptune?
A) It orbits Neptune in the opposite direction of Neptune's rotation. B) It is too large to have been formed in the jovian nebula that formed Neptune. C) It has an atmosphere and a measurable greenhouse effect. D) It undergoes seasonal changes. E) It is colder than any other moon or planet.
An object that is moving with an acceleration different from zero will always have a(n) ______________ velocity
a. changing b. increasing c. constant d. decreasing