The problem is that the initial horizontal velocity is not given neither is the horizontal displacement. The time was calulated base upon other given factors.
I am in an Honors Physics I class at my school and we are just starting to learn about projectile motion. I am having a bit of trouble with some homework and am in need of help.
Problems:
1. I kick a rock horizontally off a ledge that is 20 m high. Once in the air, the rock is in free-fall...