The manufacturer of a 6 v dry-cell flashlight battery says that the battery will deliver 15 ma for 60 continuous hours. during that time the voltage will drop from 6 v to 4 v. assume the drop in voltage is linear with time. how much energy does the battery deliver in this 60 h interval? express your answer to three significant figures and include the appropriate units. ?

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

Arrange the images in order to show how lake-effect snow occurs.

At what time will the interfering waves have an amplitudeof zero?