PHYSICS QUESTION------projectile

TALL

A missile is to be launched from a point p, 500m from the peak of the hill of height 2000m into enemy territory. If the missile is to just pass over the hill and strike a target 1200m from P, calculate
(a)the velocity at which the missile should be launched ,
(b)the time of flight of the missile.
{the answer is :a) velocity=140ms^-1 ,angle=19*}

lovetct

B）4.15 second?