Easy ! 20 plz only correct ! you want to determine your speed running across the room. what is one piece of data you need? a) the distance you run b) when you start your stopwatch c) how big each step is d) how fast you are moving

Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n