Paul and Corinne start from rest at the same time on frictionless water slides with different shapes. At the bottom, whose velocity is greater?
a) Paul
b) Corinne
c) both the same
Ans: c) both the same
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Consider three galaxies, Alpha, Beta and Gamma. An observer in Beta sees the other two galaxies each moving away from him in opposite directions at speed 0.70c. At what speed would an observer in Alpha see the galaxy Beta moving?
A) 0.82c B) 0.70c C) 0.94c D) 0.35c E) 0.57c
The mass of Saturn can be determined by applying Kepler's 3rd Law to the motion of a single ice particle in its rings
Indicate whether the statement is true or false
Superconductors lose their superconducting property above their ________ temperature.
Fill in the blank(s) with the appropriate word(s).
There is no reason to believe that there have been any changes in the Sun that could affect climate
What will be an ideal response?