They manipulated the length of time between seeing and recalling sets of 3-letter stimuli while preventing rehearsal.
Reformer Kate Barnard communicated with members of the Constitutional Committee to add provisions pertaining to education, child labor, and prohibition.
The second woman to be elected to a statewide public position in the United States in 1907 was Catherine Ann "Kate" Barnard (May 23, 1875 – February 23, 1930). She was the first woman to be elected as a state politician in Oklahoma.
The only job that the 1907 Oklahoma Constitution allowed a woman to occupy was Commissioner of Charities and Corrections, which she held for two four-year terms.
Barnard had administrative patronage jobs in the territory government's secretarial department before being elected to politics. She was quite active in charitable activities as well.
To learn more about Kate Barnard
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Answer:
The collision occurs at a height of 1/3 of the total height of cliff.
Explanation:
The situation is represented in the attached figure:
For the stone dropped from top of cliff we have
Initial velocity of drop= 0 m/s.
Now the time at which it attains a velocity of 2v is obtained from first equation of kinematics as

Thus the distance it covers in this time can be calculated using third equation of kinematics as

For the stone thrown upwards the velocity at collision is give as 'v' thus the velocity at which it is thrown upwards can be calculated by first equation of kinematics as

The height over which it changes it's velocity from '3v' to 'v' can be again obtained from third equation of kinematics as


Thus the collision occurs at at a fraction of 1/3 of height.