A 60-kg swimmer suddenly dives horizontally from a 150-kg raft with a speed of 1.5 m/s. The raft is initially at rest
What is the speed of the raft immediately after the diver jumps, assuming that the water has negligible effect on the raft during the jump?
0.60 m/s
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The amount of oxygen in Earth's atmosphere has gradually grown over the last few billion years.
Answer the following statement true (T) or false (F)
While driving down the highway a lovebug spatters onto your windshield. Which undergoes the greater change in momentum during the time of contact?
A) the lovebug B) your car C) both the same
A radioactive nuclide of atomic number Z emits an alpha particle and the daughter nucleus then emits a beta particle. What is the atomic number of the resulting nuclide?
A) Z-1 B) Z+1 C) Z-2 D) Z-3
For an atom of hydrogen where the quantum number n = 3, how many possible independent configurations of the atom exist (consider principal quantum number n, angular momentum quantum number l, magnetic quantum number ml, and magnetic spin quantum number ms)?