Afemale orb spider has a mass of 0.55 g . she is suspended from a tree branch by a 1.2 m length of 0.0020-mm-diameter silk. spider silk has a density of 1300 kg/m3.
if you tap the branch and send a vibration down the thread, how long does it take to reach the spider?

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 force will determine the acceleration.

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?