How far does a 26" bicycle wheel travel at 8 miles per hour?
2 answers:
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Answer:
490m
Explanation:
Given parameters:
Time taken = 10s
Unknown:
Depth of the well = ?
Solution:
To find the depth of the well, we apply the appropriate motion equation:
h = ut + gt²
h is the depth
u is the initial velocity
g is the acceleration due to gravity = 9.8m/s²
t is the time taken
Input the parameters and solve;
The ball was dropped from rest; u = 0
h = gt²
h = x 9.8 x 10² = 490m