This behavior helps Betty in <u>intellectual </u>development.
Answer:
<h2>602.08 N</h2>
Explanation:
The force supplied by the train can be found by using the formula

w is the workdone
d is the distance
From the question we have

We have the final answer as
<h3>602.08 N</h3>
Hope this helps you
D ............................
Answer:
B - A
Explanation:
For the combination of 2 vector to due southwest, 1 vector must due south and the other vector due west. Since vector B is already due west, vector A should due south. As vector A is already due north, vector -A would due south. So the combination of B + (-A) or B - A should points southwest