The x and y coordinates of the particle at any time are x = 5t - 2t2 and y = 10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t = 2s is
dx/dt =Vx and dy/dt = Vy
a = dV/dt
in x dirextion a = -4 m/s^2 and in y direction a =0