[填空题]
A batter hits a fly ball whichj qwuw,, gcf5m7-k;s c leaves the bat k;g; (n:jf:x5mibjff 0.90 m above the ground at an anglf;g:m; x bn5jkf(ji :fe of $61^{\circ}$ with an initial speed of $28 \mathrm{~m} / \mathrm{s} $ heading toward centerfield. Ignore air resistance.
(a) How far from home plate would the ball land if not caught?
(b) The ball is caught by the centerfielder who, starting at a distance of 105 m from home plate, runs straight toward home plate at a constant speed and makes the catch at ground level.
