Example Problem Solutions from:

Physics for Scientists & Engineers

by Douglas C. Giancoli
Volume 1, 4th Edition, Pearson Prentice Hall, Upper Saddle River, NJ, 2008

Chapter 9: Linear Momentum

"CHAPTER-OPENING QUESTIONS - Guess now!
1. A railroad car loaded with rocks coasts on a level track without friction. A worker on board starts throwing the rocks horizontally backward from the car. Then what happens?
(a) The car slows down.
(b) The car speeds up.
(c) First eh car speeds up and then it slows down.
(d) The car's speed remains constant.
(e) None of these.
2. Which answer would you choose if the rocks fall out through a hole in the floor of the car, one at a time?"

Example Problem Solutions:

Directions:

Copy and paste any example from the window at right into the
INPUT tab located on the DimensionEngine homepage.
Submit with or by typing Shift Enter.
Results automatically appear under the OUTPUT tab.