AI Tutor
Back to 7.6 Conservation of Energy

7.6 Exercise 1

Avg difficulty 2.5

You do 30 J of work to load a toy dart gun. However, the dart is 10 cm long and feels a frictional force of 10 N while going through the dart gun’s barrel. What is the kinetic energy of the fired dart?

  1. 30 J
  2. 29 J
  3. 28 J
  4. 27 J

OpenStax College Physics 2e, 7.6 Conservation of Energy, exercise 1

AI Tutor

Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.