Vector 2D Problem: Solve for Horizontal Range & Time in Motion

[arizona_cards_11]

I would really appreciate it if you could help me out with this type of problem...I'm struggling a bit on the order of work that I need to do.

Problem: The ball is fired from the ground with an initial speed of 1.70 x 10^3 m/s at an initial angle of 55 degrees to the horizontal. Neglecting air resistance, find:

a) The balls horizontal range?
b) The amount of time the ball is in motion?

My Thoughts: I'm not sure which formulas to begin with...I'm still slightly confused on the operations with component and vector projectile problems in 2D.

 

[berkeman]

This type of question is fundamntal. What equations of motion do you use for your foundation?

 

[civil_dude]

This is a kinematics problem, not a vector problem.