Best Answer: Time of flight t = 2vy/g Distance = vx*t = 2vx*vy/g We must maximize vx*vy as a function of launch velocity v. vx = vcosÎ¸, vy=vsinÎ¸ Thus we must maximize sinÎ¸cosÎ¸. At the maximum, the derivative of sinÎ¸cosÎ¸ = 0. From the ref, the derivative = cos(2Î¸).Thus cos(2Î¸) = 0, 2Î¸ = 90 deg, Î¸ = 45 deg.'d put optimal at a lower angle, say 20 to 30 degrees, to keep most of the air time while reducing the energy lost at landing and improving the horizontal speed component for the post-landing roll.
Cheney Elementary 2000 N. Forsyth Rd.Orlando, FL 32807Phone: 407-672-3120 || Fax: 407-672-3126. Principal-Tracey Gibson. Assistant Principal-Luz HaleSchool Hours8:45 - 3:008:45 - 2:00 (Wed.)Office Hours:7:30 - 4:00. Email:cheney_es@ocps.net. Save the Date...
The school day in elementary schools is usually from  8.30am to 3pm or 3.30pm, with an hour for lunch. In high schools, hours are usually from 7.30am to 2pm or 2.30pm. This is divided into six one-hour classes or four 90-minute classes (with a five-minute break between classes) and a 30-minute lunch break. Extra-curricular activities and sports are scheduled after school hours.