The current through a 50ohm's resistance is 2A , how much power is dissipated as heat.

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

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

What is a possible result of higher air temperature caused by global warming