Motion in 2-D

[Cyanide]

I'll be honest, this is a practice Homework problem. (It's not graded).

I just need help getting started..Any help is appreciated. Thanks!

 

 

An archer shoots an arrow over level ground. The arrow leaves the bow at a

height of 1.5 m with an initial velocity of 60 m/s in a horizontal direction.

 

a. How long does this arrow take to fall to ground?

b. At what horizontal distance does this arrow strike the ground?

[timo]

a) The same time as if it was simply dropped from 1.5 m (note : It might be worthwhile trying to understand why).

b) you get that from the time and the horizontal velocity which you can probably assume as constant.

[swansont]

And getting used to the idea toward which Atheist pointed, that horizontal and vertical motion (or any orthogonal components) are independent, will help; it's a concept that will be applied again and again.

[Klaynos]

kinematics kinematics kinematics