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You are watching: What is the total work they do on the supertanker?
2 tugboats traction a disabled supertanker. Each tugboat exerts a continuous force the 1.50 X 10^6 N, one at an edge 15.0 levels west that north, and also the other at an edge 15.0 degrees east the north, as they traction the tanker a street 0.720 km toward the north.
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Two tugboats traction a disabled supertanker. Each tugboat exerts a continuous force of 1.50 X 10^6 N, one in ~ an angle 15.0 levels west that north, and the various other at an angle 15.0 levels east the north, as they traction the tanker a street 0.720 km toward the north.
The pressure exerted by each tugboat can be separated into 2 components: one of them towards the north and the various other towards the east and the west. The contents towards the west of the tugboat pulling in the direction 15.0 degrees west of north is same to the component towards the east of the tugboat pulling in the direction 15.0 degrees east that north. These cancel out.
The other components include up to provide a complete of 2*1.5*10^6*cos 15 = 3*10^6*cos 15.
As the tanker is pulled for a distance 0.720 km towards the north, the product that the force and the distance it acts for is 720*3*10^6*cos 15 = 2086.3*10^6 J
The complete work excellent by the 2 tugboats is 559*10^6 J.
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