a) find the kick angle a and the initial velocity Vo b) prove that the parametric equations of the player is given by : x(t) = -Vg t+ 30 c) Find the possible moments ti and t2 ( where ti > t2 ) that the player can catch the ball when the ball at height 2 m d) calculate the player velocity at moment ti
a) find the kick angle a and the initial velocity Vo b) prove that the parametric equations of the player is given by : x(t) = -Vg t+ 30 c) Find the possible moments ti and t2 ( where ti > t2 ) that the player can catch the ball when the ball at height 2 m d) calculate the player velocity at moment ti
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Transcribed Image Text:player
Transcribed Image Text:A ball was kicked from the origin O ( at time t = 0 ) into a player placed at distant x = 30 m far
from the origin . the player is moving by constant velocity VG to the ball ant the player starts his
motion when the ball kicked .
The parametric equations of ball motion is given by :
X(t) = 12 t
X(y) = -5t2+7t
a) find the kick angle a and the initial velocity Vo
b) prove that the parametric equations of the player is given by :
x(t) = -Vg t+ 30
c) Find the possible moments ti and t2 ( where ti > t2 ) that the player can catch the ball when the
ball at height 2 m
d) calculate the player velocity at moment ti
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