Robert experienced excessive fear while flying because he interpreted his rapid heart rate, shallow breathing, and heavy perspiration as a reaction to the imminent danger of a plane crash. when his psychotherapist convinced him that this physical arousal was simply a harmless reaction to acceleration, cabin pressure, and confined space, his fear of flying was greatly reduced.

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?