If a flea can jump straight up to a height of 0380 m what

Question

Solve the all parts of given question:

Question: If a flea can jump straight up to a height of 0.380 m,

Part A: What is its initial speed as it leaves the ground?

.....m/s

Part B: How long is it in the air?

.......s

I want you to explain the physics in this question.