Lesson Details

Test Review and HW Problems KEY

Fall 2015

Physics

Date

Jan. 8, 2016

Additional Info
Review WS
1. -7688 J
2. a) 41.63 m/s; b) 88.44m
3. 38.94 J
4. 1.69e6 J
5. a) 3.85 m/s; b)-1.43e5
6. a) -470.4 J; b) 54.2 m/s

Page 309
84. 8.6 m/s
85. 1.3 m
86. 1750 J
87. 5 times deeper to 5 m
88. Equal but opposite momentum before the collision. The energy loss for each player was (p^2)/2m. Since m(linebacker) < m(end) the linebacker lost more energy.
89. 13.2 J
90. 6.28 m