Arace car travels 40 m/s around a banked (45° with the horizontal) circular (radius = 0.20 km) track. what is the magnitude of the resultant force on the 80-kg driver of this car? o a. 0.72 kn o b.0.68 kn o c. 0.64 kn o d.0.76 kn o e. 0.52 kn

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

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

What is special about a dc circuit ?