Projectile Motion Maybe Parametric equations?

[Lebelee]

Hey I have a problem with question 4 of this problem set


http://www.physics.ubc.ca/~mattison/Courses/Phys170/p170-ps5.pdf Number 4.

I have found Vmin to be 0.84m/s which i know it is correct, but i cannot solve Vmax?

i thoguht you could maybe approach this question with 2 parametric equations? can anyone show me some hints toward this question?

Greatly appreciated.

 

[Dick]

You find Vmax EXACTLY the same way you find Vmin. Break the motion into xy components and use kinematics. How did you find Vmin?