Free Fall: A ball is thrown downward in the absence of air resistance. After it has been released, which statement(s) concerning its acceleration is correct? (There could be more than one correct choice.)
A. Its acceleration is constantly increasing.
B. Its acceleration is constant.
C. Its acceleration is constantly decreasing.
D. Its acceleration is zero.
E. Its acceleration is greater than g.
Answer: B
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A 1-N-falling apple hits the ground with a force of
A) 1 N. B) 2 N. C) 4 N. D) 10 N. E) not enough information
The names of the seven days of the week are derived from the names of the bodies of the solar system that are visible to the naked eye
Indicate whether the statement is true or false
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A) high temperature and low Image pressure above the solution B) low temperature and high Image pressure above the solution C) low temperature and low Image pressure above the solution D) high temperature and high Image pressure above the solution E) The Image solubility is independent of temperature and pressure.