Asked by Anonymous
A player kicks the football from the ground with a velocity of of 30m/s at 45 degree angle. The time take to reach maximum height was 0.7 s. Find the maximum height and describe your work.
Answers
Answered by
bobpursley
vf=Vivertical-gt
but vf in the vertical is zero at the top, so
0=Vi*sin45-9.8t
solve ford Vi
Height= vivertical*t-1/2 g t^2
= Vi*sin45*t-1/2 g t^2
but vf in the vertical is zero at the top, so
0=Vi*sin45-9.8t
solve ford Vi
Height= vivertical*t-1/2 g t^2
= Vi*sin45*t-1/2 g t^2
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