mikefitz
- 155
- 0
http://img517.imageshack.us/img517/6533/c6p4ty2.jpg
The drawing shows a boat being pulled by two locomotives through a canal of length 1.04 km. The tension in each cable is 4.27 x 103 N, and theta = 20.0o. what is the net work done on the boat by the two locomotives?
Here is what I've done so far:
Force=4.27*10^3
delta(r)=1.04
theta=20
W=2* [4.27*10^3 (1.04) (cos20) ]
=8345J
What am I doing wrong here? thanks
The drawing shows a boat being pulled by two locomotives through a canal of length 1.04 km. The tension in each cable is 4.27 x 103 N, and theta = 20.0o. what is the net work done on the boat by the two locomotives?
Here is what I've done so far:
Force=4.27*10^3
delta(r)=1.04
theta=20
W=2* [4.27*10^3 (1.04) (cos20) ]
=8345J
What am I doing wrong here? thanks
Last edited by a moderator: