I found the answer for you if u need any help ask anytime!
Answer:
hmm if it were up to me i would say gravity potential energy and sorry I don't really have a third one hope this helps though.
Answer:
25
Explanation:
Because u don't know the gravity so u take that force and just put it in the gravity spot
Answer:
a

b

Explanation:
From the question we are told that
The initial position of the particle is 
The initial velocity of the particle is 
The acceleration is 
The time duration is 
Generally from kinematic equation

=> 
=> 
Generally from kinematic equation

Here s is the distance covered by the particle, so

=> 
Generally the final position of the particle is

=> 
=> 
Well, the baselines are 65 feet, and the distance from home plate to pitcher's mound is 50 feet. So I believe your answer would be 50 feet.