The parametric equations for the path of a projectile launched at a height h feet above the ground,at an angle θ with the horizontal and having an initial velocity of v0 feet per second is given by and
.The center field fence in a ballpark is 10 feet high and 400 feet from home plate.The ball is hit
feet above the ground.It leaves the bat at an angle of θ degrees with the horizontal at a speed of 100 miles per hour as shown in the figure.Find the minimum angle at which the ball must leave the bat in order for the hit to be a home run using the parametric equations
and
.Round your answer to one decimal place.
A) 25.5°
B) 19.5°
C) 3.4°
D) 4.5°
E) 11.3°
Correct Answer:
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