Which of the following is an example of chemical energy?
A) the energy stored in firewood that has been gathered for burning
B) the energy stored in your body, that enables you to do work
C) Both of the above.
D) the energy in a stretched rubber band
E) the energy in hot steam
C
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Two forces act on a 55-kg object. One force has magnitude 65 N directed 59° clockwise from the positive x-axis, and the other has a magnitude 35 N at 32° clockwise from the positive y-axis. What is the magnitude of this object's acceleration?
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An uncharged, series RC circuit is connected across a battery. For which situation will the time for the capacitor to reach 90% of its final charge remain unchanged? a. The RC time constant is doubled
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