Problem: The table below shows the distance s in feet a ball rolls down an inclined plane in t seconds.
tsβ00β110β240β390β4160β5250ββ
The distance s for t=2.5 is:
Answer Choices:
A. 45
B. 62.5
C. 70
D. 75
E. 82.5
Solution:
The formula satisfying the table is s=10t2. When t=2.5,s=62.5.