A football player kicked a football with an initial velocity of 30 m/s. at an angle 60°
2 answers
did the ball pop?
initial vertical speed = Vi = 30 sin 60 = 26 m/s
v = Vi - 9.81 t , if on earth
v = 0 at top (halfway through trip)
t = 26 / 9.81 = 2.65 seconds upward, total 5.3 aloft
max height = Vi t - 4.9 t^2 = 34.5
range = 30 cos 60 * 5.3 = 15*5.3 = 75.5 meters
v = Vi - 9.81 t , if on earth
v = 0 at top (halfway through trip)
t = 26 / 9.81 = 2.65 seconds upward, total 5.3 aloft
max height = Vi t - 4.9 t^2 = 34.5
range = 30 cos 60 * 5.3 = 15*5.3 = 75.5 meters
1 answer