Will our Sun contribute heavy elements to the cosmos at the end of its life?
A) Yes, all stars do.
B) No, only high mass stars make heavy elements, and our Sun is a low mass star.
C) It is possible, but there is no way for us to know.
D) Yes, but only because it is a low mass star and has plenty of time to produce those heavy elements.
B
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Indicate whether the statement is true or false
State Kepler's first law
What will be an ideal response?
If the wave function for a free electron is given by ? = A sin kx + B cos kx, and the electron has a kinetic energy of 9.0 eV, what is the value for k?
A) 2.5 x 109 m-1 B) 1.0 x 1010 m-1 C) 1.5 x 1010 m-1 D) 4.5 x 1016 m-1 E) 9.7 x 1017 m-1
Which produces a greater tidal effect in your body, the Moon or a 1-kg melon held at arm's length above your head?
A) the Moon B) the melon C) both about equally