A falling skydiver of mass 100 kg experiences 500-N air resistance. The acceleration of the skydiver is
A) 0.2 g.
B) 0.3 g.
C) 0.4 g.
D) 0.5 g.
E) more than 0.5 g.
D
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What is the basic subunit of elements?
A) atoms B) molecules C) electrons D) neutrons E) protons
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