An upward force of 27.5 n is applied to a string to lift a ball with a mass of 2.5 kg.
a. what is the net force acting upon the ball

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

How would a small bar magnet be oriented when placed at position x?

Explain what happens at the saturation point when adding salt to water at room temperature.