When he didn't get answers to his ?s he would try to find the replies himself though research and study. <span />
Answer:
Distance is 13m and Displacement is 9m
Explanation:
When the elevator is going up (assuming the elevator is acceleration)
When the elevator is accelerating downwards, the total gravitational force would be larger.
If the elevator is accelerating upwards, then the gravitation force would be smaller, thus the tension in the string would be smaller.
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