Question

A boat is being towed such that the tow line is at an angle of 30° with respect to the surface of the ocean. If the boat is towed with a force of 50 Newtons for 7,000 meters, approximately how much work is done?

A. 152,000 Joules
B. 175,000 Joules
C. 303,000 Joules
D. 350,000 Joules

Answer 1

C: 303,000 Joules

Explanation:

Edge 2020

Answer 2

C. 303,000 Joules

Explanation:

1. use abcos(theta)

a=50

b=7000

theta=30 degrees

2. (50)(7000)cos(30)=303,000