Difficult Question. Please help!!
The Question is:
An archer on planet zorg spots an octomorph in a tree that is 100m away horizontally and 100m away vertically. He shoots a quatum arrow at it with initial speed of 100m/s. However, at the instant the zipbow is fired, the octomorph drops down from the tree. If the accelearation of gravity is 98.1m/s on planet zorg, in what direction should the the archer aim the arrow in order to hit the octomorph as its falling?

Question

Difficult Question. Please help!!
The Question is:
An archer on planet zorg spots an octomorph in a tree that is 100m away horizontally and 100m away vertically. He shoots a quatum arrow at it with initial speed of 100m/s. However, at the instant the zipbow is fired, the octomorph drops down from the tree. If the accelearation of gravity is 98.1m/s on planet zorg, in what direction should the the archer aim the arrow in order to hit the octomorph as its falling?

anonymous · Answer

I have figured out the octomorphs position as a function of time. its $$y = (-49.05m/s^2)t^2+100m$$

anonymous · Answer

I have no idea how to know what to do to make this arrow  and the octomorph reach some spot at the same time. Please help!

amistre64 · Answer

youre projectile equation needs a third term, an initial velocity term which usually takes the shape:

vo t sin(theta)