A mass m is released from a height 75 cm from the right-hand side of the track shown in the diagram at right.There is only friction acting on mass along the horizontal portion 30 cm either side of the midpoint O,with a kinetic coefficient of friction of k = 0.4.Determine how high it reaches the second time it passes over to the left side,and in which direction is it moving when it stops? 
Definitions:
Cause-Effect Relationships
The principle that an action or event will produce a certain response in the form of another event.
Experiment
A scientific procedure undertaken to test a hypothesis, determine causality, or uncover specific effects under controlled conditions.
Experimental Group
In research, the group of participants who are exposed to the independent variable under investigation to study its effect.
Treatment
Medical care given to a patient for an illness or injury.
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