A projectile is launched with an initial speed of 30 m/s at an angle of 60° above the horizontal. What are the
a) magnitude and
b) angle of its velocity 2.0 s after launch, and
c) is the angle above or below the horizontal? What are the
d) magnitude and
e) angle of its velocity 5.0 s after launch, and
f) is the angle above or below the horizontal?