Question

The equation of projectile is $y=16x-\frac{5x^2}{4}$. The horizontal range is?

• A. $16$ m
• B. $8$ m
• C. $3.2$ m
• D. $12.5$ m

Answer 1

The correct option is D $12.5$ m

Comparing the projectile equation with $y=ax-b{x}^{2}16x-\frac{5x^2}{4}=0x=\frac{64}{5}=12.5m$