Pmax=80 kips and Pmin=20 kips. Assume the load is equally distributed to all the bolts. It has been determined to use ½ in-13 UNC grade 8 bolts. Determine the fatigue factor of safety using the Goodman criteria.

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

If the new moon happens on january 15th, what shape will it be on february 6th?

If frequency goes up, what happens to wavelength? does it get shorter or longer?