A player kicks a football at an angle of 45 degrees with an initial speed of 20 m/s
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initial speed = u = 20m/s
angle = ∅ = 46°
Range = Rmax = ?
R = u²/g
R = 20²/10
R = 400/10
R = 40m
max height = H = ?
H = u²sin²∅/g
H = 20²sin²(45°)/10
H = 400×1/20
H = 20m
Time of flight = T = ?
T = 2usin∅/g
T = 2×20×sin(45°)/10
T = 40×1/10√2
T = 4/√2
T = 2.83 s
angle = ∅ = 46°
Range = Rmax = ?
R = u²/g
R = 20²/10
R = 400/10
R = 40m
max height = H = ?
H = u²sin²∅/g
H = 20²sin²(45°)/10
H = 400×1/20
H = 20m
Time of flight = T = ?
T = 2usin∅/g
T = 2×20×sin(45°)/10
T = 40×1/10√2
T = 4/√2
T = 2.83 s
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