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An object of mass 4 kg is thrown vertically upwards from ground level with an initial speed of 20 m/s. Ignore friction and use g = 10 m/s2. What is the kinetic energy of the object just before it hits the ground?
Long Periods
Extensive durations or lengths of time, often used in reference to historical, geological, or personal time frames.
Participant Observation
A method in social science research where the researcher immerses themselves in the environment of their subjects to observe and participate in their activities.
Participant Observation
A qualitative research method where researchers immerse themselves in a group or social setting in order to observe behaviors and interactions from within.
Street Corner Society
A term used to describe the social structure and dynamics of people in urban neighborhood communities, often focusing on informal groupings.
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