K.E=0.5mv^2
GPE=mgh
The child has both K.E and GPE


g is taken as 9.81
A = p(1 + rt)
A/p = 1 + rt
rt = A/p - 1
t = (A/p - 1)/r
Answer:

c = 17
Step-by-step explanation:
This is the Pythagorean theorem
The answer is 6 because you add the 1 and the 2 first and then multiple to get 6. I don’t know why you put the division sign in front of the 2 though.