Precalculus Questions?

Question

Determine the approximate distance that a baseball travels if it is thrown with a velocity of 79 feet per second at an angle of 15 degrees relative to level ground. 

Answer 1

Distance travelled

R=(v^2)sin2θ/g

   =79^2*sin2(15)/32.2

   =79^2*sin30/32.2

    =97 ft