A 950 N skydiver jumps from an altitude of 3000 m. What is the total work performed on the skydiver? 1. 2. A bulldozer performs 80,000 J of work pushing dirt a distance of 16 m. What is the force of the dirt? 3. You are walking to your science class carrying your books that weigh 20 N. You walk down the hallway for 45 m, climb a 15 m staircase, and then walk another 30 m to class. What is the total work performed on your books?
A 950 N skydiver jumps from an altitude of 3000 m. What is the total work performed on the skydiver? 1. 2. A bulldozer performs 80,000 J of work pushing dirt a distance of 16 m. What is the force of the dirt? 3. You are walking to your science class carrying your books that weigh 20 N. You walk down the hallway for 45 m, climb a 15 m staircase, and then walk another 30 m to class. What is the total work performed on your books?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter10: Work, Energy And Machines
Section: Chapter Questions
Problem 72A
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