Physics
posted by Allomabian on .
the displacement of an object of 1 kg mass as a function of time t in xy plane is given by x = 20t + 30t^2 and y = 25  40t in the units of meters
the units of x and y are in meters and t is in seconds
the force acting on the object is
and then there's 5 answers

Posted twice; answered once.