Predicting an eclipse is easy because all you have to do is keep track of where the Moon crosses the ecliptic
a. True
b. False
Indicate whether the statement is true or false
True
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The velocity of an object as a function of time is given by v(t) = 2.00 m/s + (3.00 m/s) t - (1.0 m/s2 ) t2. Determine the instantaneous acceleration at time t = 4.00 s
A) -2.00 m/s2 B) -5.00 m/s2 C) 1.00 m/s2 D) 0.00 m/s2 E) -1.00 m/s2
What direct evidence is there for galactic collisions? Discuss examples of directly observable phenomena linked to collisions
What will be an ideal response?
Theories for how the universe formed, have taken which of the following into account:
What evidence supports the predicted existence of gravitational waves?
A) The orbit of a star system consisting of two neutron stars is slowly decaying, suggesting that energy is being carried away by gravitational waves. B) The energy generated by gravitational waves from the Sun can be seen as it is absorbed by Jupiter. C) Gravitational waves are frequently and easily detected by large telescopes. D) Photographs of spacetime show the gravitational waves as ripples that are clearly visible.