pulling a banner behind itself, an airplane exerts a force of 120 newtons over a distance of 550,000 meters…

Explanation:

Step1: Recall the work formula

The formula for work ( W ) is ( W = F \times d ), where ( F ) is the force and ( d ) is the distance.

Step2: Substitute the given values

Given ( F = 120 , \text{N} ) and ( d = 550000 , \text{m} ). Substitute these into the formula: ( W = 120 \times 550000 ).

Step3: Calculate the product

( 120 \times 550000 = 66000000 , \text{Joules} ) (since work is measured in joules, where ( 1 , \text{J} = 1 , \text{N}\cdot\text{m} )).

Answer:

The work the airplane does on the banner is ( 6.6\times 10^{7} ) joules (or 66000000 joules).