Following are four different relations about displacement, velocity and acceleration for the motion of a particle in general. Choose the incorrect one (s):

Two particles are projected in air with speed v₀ at angles θ₁ and θ₂ (both acute) to the horizontal, respectively. If the height reached by the first particle is greater than that of the second, then tick the right choices

A particle slides down a frictionless parabolic (y = x² ) track (A – B – C) starting from rest at point A (Fig. 4.2). Point B is at the vertex of parabola and point C is at a height less than that of point A. After C, the particle moves freely in air as a projectile. If the particle reaches highest point at P, then

For a particle performing uniform circular motion, choose the correct statement(s) from the following:

For two vectors A and B, |A + B|= |A – B| is always true when