Projectile Motion

Question

You are standing at the top of a cliff that has a stairstep configuration. There is a vertical drop of 7 m at your feet, then a horizontal shelf of 5 m , then another drop of 3 m to the bottom of the canyon, which has a horizontal floor. You kick a 0.47 kg rock, giving it an initial horizontal velocity that barely clears the shelf below. What initial horizontal velocity v will be required to barely clear the edge of the shelf below you? The acceleration of gravity is 9.8 m/s 2 . Consider air friction to be negligible. Answer in units of m/s. How far from the bottom of the second cliff will the projectile land? Answer in units of m.

Answer 1

The second portion can be repeated w/ the same strategy except the dy will be 10m, and you're solving for dx instead of Vx.