10) Vector has magnitude 2 units and is directed to the north. Vector has magnitude 7 units and is directed to the south. Calculate the magnitude and direction of (Follow instructions). A) 3 units, north B) 7 units, south C) 9 units, north D) 3 units, south
11) An object slides on a level floor. It slows and comes to a stop with a constant acceleration of magnitude 2.4 m/s2What is the coefficient of kinetic friction between the object and the floor? .