falling rock
Classical Mechanics
Level
1
a rock is chucked from a plane what will happen
A. it will slow down because of air drag
B. it will get to a certain speed and then not accelerate
C. it will continually accelerate
C
B
A
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1 solution
the rock reaches a point where the force of gravity is equal to the aerodynamic drag
if g = d then a = 0 . this is called terminal velocity.