Course Home a MasteringPhysics: HW-Ch06 CSecure https://session.masteringphysics

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Course Home a MasteringPhysics: HW-Ch06 CSecure https://session.masteringphysics.com/myct/itemView?assignmentProblemID-85815815&offset-next; HW-Ch08 Item 4 Resources « previous 4 of 10 | next tem 4 A 5.10 kg watermelon is dropped from rest from the roof of a 24.0-m-tall building and feels no appreciable air resistance. m 8 Submit My Answers Give Up Part D Would the answer in part A be different if there were appreciable air resistance? Yes No Submit My Answers Give Up Part E Would the answer in part B be different if there were appreciable air resistance? Yes No My Answers Give Up Part F Would the answer in part C be different if there were appreciable air resistance? Yes No Submit My Answers Give Up

Explanation / Answer

A) W=F*d=mgd=(5.1 kg)(9.8 m/s^2)(24.0m)=1200 N-m
B) KE=(1/2)mv^2=1200 N-m
C) v^2=2(1200/5.1)=470.1
v=21.67 m/s

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