The force on an object is given by the equation F=ma. In this equation, F is the force, M is the mass, and a is the acceleration. What is the force on an object that has a mass of 3.4 kg and an acceleration of 8.1 m/s^2? A) 2.4N B) 27.5N C) 4.7N D) 11.5N

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

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?