A copper wire of diameter 1CM has a resistance of 0.15 ohms. The wire is drawn under pressure until the diameter reduces by 50% what is its new resistance ?​

A60-kg skier starts at the top of a 10-meter high slope. at the bottom, she is traveling 10 m/s. what is the gpe? gpe =mgh 2,880 j 5,880 j 3,000 j 1633j

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

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called