Work with drag problem. Blimp being pulled downward.

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SUMMARY

The problem involves calculating the work done by a person pulling a blimp with a mass of 110 kg at a downward angle of 52 degrees over a distance of 7 km while maintaining a constant velocity of 14 m/s. The drag force is determined using the coefficient of drag, K, which is 0.5 kg/m, and the equation F = Kv^2. The work done can be calculated using the formula F = w * d, where F is the total force acting on the blimp and d is the distance traveled.

PREREQUISITES
  • Understanding of Newton's laws of motion
  • Familiarity with drag force calculations
  • Knowledge of free-body diagrams
  • Basic algebra for solving equations
NEXT STEPS
  • Calculate the drag force using the equation F = Kv^2
  • Draw a free-body diagram to visualize all forces acting on the blimp
  • Apply the work-energy principle to find the work done
  • Explore the effects of varying the angle of pull on the work done
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and forces, as well as educators looking for practical examples of work and drag calculations.

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Homework Statement


A blimp of mass 110 kg is pulled at an angle of 52 degrees downwards with respect to the horizontal for D=7 km on level ground at a constant velocity v=14 m/s. If the coefficient of drag (K in F=Kv^2) is 0.5 kg/m, how much work is done by the person pulling?


Homework Equations


F=w*d
F=Ky^2


The Attempt at a Solution


I don't even know where to begin! So confused.
 
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Start by drawing a free-body diagram with all the forces.
 

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