A particle P is projected from a point A at the top of a cliff, 52 m vertically above sea level. It moves freely under gravity until it strikes the sea at a point S. The initial velocity components are 24 ms-1 horizontally and 7 ms-1 vertically.

The time of flight of the particle is

seconds

The horizontal distance AS is

m

The speed of the particle when it hits the sea is

s-1.