(i)[2]
Show that $B$ reaches the ground $3\text{ s}$ after projection.
(ii)[4]
Determine the speed and direction of motion of $B$ immediately before it reaches the ground.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
A small ball $B$ is launched from a point $1.5\text{ m}$ above horizontal ground with initial speed $29\text{ m s}^{-1}$ at an angle of $30^\circ$ above the horizontal.