What happens to a simple pendulum's frequency if both its length and mass are increased?
A) It remains constant.
B) It decreases.
C) It increases.
D) It could remain constant, increase, or decrease; it depends on the mass to length ratio (mass density).
Question 2
Consider two cylinders of gas identical in all respects except that one contains O2 and the other He. Both hold the same volume of gas at STP and are closed by a movable piston at one end.
Both gases are now compressed adiabatically to one-third their original volume. Which gas will show the greater pressure increase? A) the O2
B) the He
C) neither; both will show the same increase
D) impossible to tell from the information given
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