Summary

• Motion in one dimension
• Kinematic equations
• Graphs of motion

• Written quiz    Timer
  
  
• Reading Quiz
  
  

  Free falling objects Galileo experiment mass-independent acceleration penny & feather demo Gopher's hole Example #1

wk4
Reading quiz You drop a rock from a bridge to the river below. When the rock has fallen 4 m, you drop a second rock. As the rocks continue their free fall, their separation will ______.
A. increase
B. decrease
C. stay the same
Answer











 
How deep is Gopher's hole?
A. 6.5 m
B. 32.5 m
C. 207 m
D. 414 m
Answer















 



A. increase














 

C. 207 m