The simple Big Bang theory does not solve all of the problems that we observe (or hope to observe) in our universe. These problems include all of the following EXCEPT:
e.
The Big Bang does explain that the universe used to be very dense and therefore very hot. The expansion of the universe explains the cooling
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For the typical "household ac voltage" of 120 V, what is the amplitude of the emf?
A. 120 V B. 240 V C. 60.0 V D. 170 V E. 330 V
Thin Lenses: A cup that is 6.0 cm tall is in front of a concave lens. The image of the cup is 2.5 cm tall and 7.5 cm from the lens. What is the focal length of the lens?
A. -6.0 cm B. -7.5 cm C. -13 cm D. +18 cm E. +6.0 cm
An impact crater that is 10 kilometers across was probably made by the impact of an object about ________ across.
A) 10 meters B) 100 meters C) 1 kilometer D) 10 kilometers E) 100 kilometers
Because more massive stars have more gravitational energy, they can fuse heavier nuclear fuels
a. True b. False Indicate whether the statement is true or false