A football is kicked from level ground with an initial speed of at an angle of to the…
PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A football is kicked from level ground with an initial speed of 20ms−1 at an angle of 30∘ to the horizontal. Take g=9.8ms−2.
(a) Calculate the time taken by the ball to reach its highest point.
(b) Determine the total time of flight.
(c) How long after projection is the ball at a height of 5m above the ground? (Give both possible answers.)