Question: Assignment 1.6 Chapter 4 Review Give two situations where a force cannot any work. A ball hits a wall and bounces back with half of

Assignment 1.6 Chapter 4 Review

  1. Give two situations where a force cannot any work.

  1. A ball hits a wall and bounces back with half of its original speed. How would the kinetic energy of the ball change?

4.1 Work

  1. A worker pushes horizontally on a large crate with a force of 250N, and the crate is moved 2.0 m. How much work was done?

4.2 Kinetic Energy

  1. Which has more kinetic energy, a 0.0020-kg bullet traveling at 400m/s or a (6.4107)-kg ocean liner traveling at 10m/s ( 20 knots)? Justify your answer.

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