Solve the all parts of following problem:
Problem: An eagle perched on a tree limb 19.5 m above the water spots a fish swimming near the surface. The eagle pushes off from the branch and descends toward the water. By adjusting its body in flight, the eagle maintains a constant speed of 3.10 m/s at an angle of 20.0 degrees below the horizontal.
Part A: How long does it take for the eagle to reach the water?
Part B: How far has the eagle traveled in the horizontal direction when it reaches the water?
I need the right answer and steps of solve above problem. Thanks!