Suppose a soccer player kicks the ball from a distance 35 m toward the goal. Find the initial speed of the ball if it just passes over the goal, 2.4 m above the ground, given the initial direction to be 37° above the horizontal.
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use eqn of trajectory.
y= x tan (theta)- g x^2/(u^2× cos^2 theta)
Put x= 35 and y= 2.4 and tan theta=3/4 and
cos theta= 4/5.
U ll get value of u.
y= x tan (theta)- g x^2/(u^2× cos^2 theta)
Put x= 35 and y= 2.4 and tan theta=3/4 and
cos theta= 4/5.
U ll get value of u.
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