Question

if y=ax-bx^2 is equation of projectile motion find initial velocity, angle of projection, Time of flight, maximum height and range​

Answer 1

General Equation of a projectile :

$\tt \: y = \tan \theta_0 \: x - \frac{g \: \sec^{2} \theta_0}{2 \: {v_0}^{2} } {x}^{2}$