What is the ultimate fate of an open universe?
A) the Big Crunch
B) Stars will expand away from each other and galaxies effectively "evaporate."
C) All matter decays to a low-density sea of photons and subatomic particles.
D) All matter eventually ends up in massive black holes.
E) Individual stars die but their gas is recycled through the interstellar medium and new stars form in a never-ending process.
C
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If the specific heat capacity of water were lower than it is, a nice hot bath would be a
A) shorter experience. B) longer experience. C) same regardless of water's specific heat capacity.
A 12.0 V battery is placed across a 4.00
resistor. If the current through the resistor is 2.80 A, what is the terminal voltage of the battery?
A. 12.0 V B. 12.8 V C. 11.6 V D. 11.2 V E. 9.6 V
According to the inverse square law, the force due to gravity between two masses will ____
a. increase as the distance between the two masses increases b. decrease as the square of the distance between the two masses increases c. cause the two masses to move away from each other d. cause the two masses to move in a straight line e. cause the two masses to orbit each other
What was wrong with the hubble that it needed maintenance?
What will be an ideal response?