Answer:
they would get somewhere from 80% to 85%
Step-by-step explanation:
Answer:
5.0 ft-lbf
Step-by-step explanation:
The force is

This force is not a constant force. For a non-constant force, the work done, <em>W</em>, is

with
and
the initial and final displacements respectively.
From the question,
and
.
Then

Evaluating the indefinite integral,

From the rules of integration,


Returning the limits,

Answer:
i think its 150
Step-by-step explanation:
Answer:
(-8, 15)
Step-by-step explanation:
Start by solving for y:
y=-x+7
Substitute -8 for x
y=-(-8)+7
The two negatives make a positive giving us:
y=8+7=15
Therefore...
(x,y)=(-8,15)
1/2 x 3/4
1 x 3 / 2 x 4
= 3/8