Question

A ball is thrown at a 60.0° angle above the horizontal across level ground. It is released from a

height of 2.00 m above the ground with a speed of 16.0 m/s. How long does the ball remain in the
air before striking the ground?

Answer 1

write out what you have which is:
initial velocity
final velocity
Y distance
degree

You do not have :
a
X distance
t

from what you have you can plug into your formulas to get time.