Quick !
what do sound waves, light waves, and ocean waves all have in common?

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

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

What is the magnitude of the resultant vector round your answer to the nearest tenth