A particle moves in the x−y the according to the equation, r=(iˆ+2jˆ)Acosωt. The motion of the particle is 1. on a straight line 2. on an ellipse 3. periodic 4. simple harmonic A particle moves in the x−y the according to the equation r=(iˆ+2jˆ)Acosωt. The motion of the particle is 1. on a straight line [...]