Saturday

January 31, 2015

January 31, 2015

Posted by **walter hughes** on Sunday, October 20, 2013 at 8:19am.

- math -
**Steve**, Sunday, October 20, 2013 at 12:27pmso, plug in your numbers. You don't say what m is, but I assume it's the slope of the trajectory at kickoff

y = (1/2)x - 32/(2*80^2)(1+1/4)x^2

= 1/320 (160x-x^2)

this is a parabola with vertex at (80,20)

so, knowing that, what's the max height?

**Answer this Question**

**Related Questions**

Physics - The velocity of a projectile at launch has a horizontal component v_h ...

physics - A projectile of mass 0.777 kg is shot from a cannon, at height 6.6 m...

Physics - A projectile of mass 0.46 kg is shot from a cannon, at height 6.8 m, ...

Physics - A projectile of mass 0.46 kg is shot from a cannon, at height 6.8 m, ...

Physics - A projectile of mass 0.46 kg is shot from a cannon, at height 6.8 m, ...

pysics - A projectile of mass 0.777 kg is shot from a cannon, at height 6.6 m, ...

Physics- i need to know how to do these problems - Two projectiles are launched ...

Physics - We have a projectile launched upward with an initial horizontal ...

physics - A projectile is fired at 33.1° above the horizontal. Any effects due ...

physics - A projectile is shot from the edge of a cliff h = 125 m above ground ...