Homework Help: Math

Posted by Amber on Saturday, June 16, 2012 at 3:08pm.

The horizontal range, R, is modeled by this formula:
R(x)=(v^2*sin2(x))/32
The initial velocity (v) is 90ft per second. The ball is pitched at an angle of x degrees with the horizontal. When x=26 degrees, the ball travels 200ft. At what other value of x will the ball travel 200ft?

Math - Henry, Sunday, June 17, 2012 at 7:46pm
X = 26 + 180 = 206 Deg.

CHECK:
Vo^2*sin2x/32
90^2*sin(412)/32 = 199.5 Deg.
Math - Henry, Sunday, June 17, 2012 at 7:50pm
Correction: R = 199.5 Ft. NOT Deg.

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