Answered: An airplane of mass 3.60 x 10° kg…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 8STP

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An airplane of mass 3.60 × 105 kg experienced a problem with all its tires when it was about to touch down at a runway of an airport. The tires were deadlocked and not able to roll. The airplane began to skid once it touched down and left behind a 728 m long skid mark on the runway before it came to a stop. Even though everyone on the airplane was safe, the pilot was accused of failing to land the airplane within the allowable speed limit of 80.0 m/s and his pilot license was suspended. Given that the coefficient of kinetic friction between the tires and runway was 0.496.

(i) Determine the work done by friction on the tires.
(ii) Use the Work-Energy Theorem to evaluate if the suspension of the pilot’s license should be revoked.

#This is an exercise question, please help. Thank You.

An airplane of mass 3.60 x 10° kg experienced problem in all its tyres when it
was about to touch down at a runway of an airport. The tyres were deadlocked
and not able to roll. The airplane began to skid once it touched down and left
behind a 728 m long skid mark on the runway before it came to a stop. Even
though everyone on the airplane was safe, the pilot was accused for failing to
land the airplane within the allowable speed limit of 80.0 m/s and his pilot
license was suspended. Given that the coefficient of kinetic friction between the
tyres and runway was 0.496.
(i)
Determine the work done by friction on the tyres.
(ii)
Use the Work-Energy Theorem to evaluate if the suspension of the
pilot's license should be revoked.

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