A flea pulls on a puck with force 9 microN at an angle of 90. Another flea pulls on the puck with force 1 microN at an angle of -15. a) What is the

A flea pulls on a puck with force 9 microN at an angle of 90ｰ. Another flea pulls on the puck with force 1 microN at an angle of -15ｰ.a) What is the magnitude of the net force on the puck?b)At what angle is the net force? c) A third flea decides to pull the puck so that it will stop accelerating. What is the magnitude of the force with which it must pull, and in what direction must the flea pull so that the puck stops accelerating?