Which statement describes a surface wave? a) a surface wave is a wave that moves along the interface of two different materials, like air and water. b) a surface wave is a wave that travels through space. c) a surface wave is a type of electromagnetic wave.

1-10. need . physics. circular motion. 35 points

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

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