Someone in a car going past you at the

speed of 43 m/s drops a small rock from a
height of 1.6 m.
How far from the point of the drop will the
rock hit the ground? The acceleration due to
gravity is 9.8 m/s
2
.
Answer in units of m

1 answer

Vertical distance fallen = (g/2)*t^2
= 1.6 m
Solve for t.
Multiply what you get by 43 m/s.