Answer:
Explanation:
Given
mass of children 

distance between two children 
suppose small child is at a distance of x m from pivot point
so torque of small child and heavier child must be equal



Answer:
C hope it helps
call the client and inform her that she was incorrectly charged.
Answer:
rolling ball down a hill
Explanation:
A rolling ball has kinetic energy
Answer:
1.19 hours
Explanation:
divide distance by speed. hope this helps