You attach a meter stick to an oak tree, such that the top of the meter stick is 1.87 meters above the ground. later, an acorn falls from somewhere higher up in the tree. if the acorn takes 0.166 seconds to pass the length of the meter stick, how high above the ground was the acorn before it fell (assuming that the acorn didn\'t run into any branches or leaves on the way down)?

3.25 m

Explanation:

t = Time taken = 0.166 seconds

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration = 9.81 m/s²

s = 1 because meter stick is 1 meter in length

Here, the initial velocity of point B is calculated from the time which is given. This velocity will be the final velocity of the acorn which falling from point A.

The distance of the acorn from the ground is 1.87+1.38 = 3.25 m

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