The goal for us was to create a diagram to model the problem- as far as work and Eint go, doesn't work have to be in the direction of the object's motion? That's mainly where I was confused. In this case, if work is being done on the object in the -x direction, shouldn't the object have to be...
Homework Statement
m(person) = 60kg
v1 = 3.0m/s
v2 = 0
d = 2m
y1 = -1m
y2 = 0
A person is completing a long jump. At event 1 they are 1m in the air and are moving at a rate of 3.0m/s. At event 2 they are at rest on the ground, 2m from their initial landing place. What is the stopping force...