Answer:
what is this
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,

3(8)-12=12
24-12=12
The fourth choice.
Yeah I think you already got it
Answer:
A.
-19 9 7
[15 -7 6 ]
-2 1 1
Step-by-step explanation:
Answer:
Step-by-step explanation: