f I have found the magnitude, how do I find the direction? This is the question.  A projectile is launched with an initial speed of 52.0 m/s at an angle of 34.0° above the horizontal. The projectile lands on a hillside 3.90 s later. Neglect air friction. (Assume that the +x-axis is to the right and the +y-axis is up along the page.) (a) What is the projectile's velocity at the highest point of its trajectory? magnitude = 43.12m/s, what is the direction in degrees counter clockwise from the +x-axis

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.3P: If a projectile is fired from the origin of the coordinate system with an initial velocity υ0 and in...
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If I have found the magnitude, how do I find the direction? This is the question. 

A projectile is launched with an initial speed of 52.0 m/s at an angle of 34.0° above the horizontal. The projectile lands on a hillside 3.90 s later. Neglect air friction. (Assume that the +x-axis is to the right and the +y-axis is up along the page.)

(a) What is the projectile's velocity at the highest point of its trajectory? magnitude = 43.12m/s, what is the direction in degrees counter clockwise from the +x-axis 
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