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SAT, 30.06.2019 06:00
Ateacher attaches a ball to a meter long string and whirls it around in a horizontal circle at constant speed. the teacher explains that the string is what makes the ball go in a circle. why is the string necessary? a) the string is needed to apply a torque to the ball. b) the string is needed to push on the ball to get it up to speed. c) circle motion requires an inertia which is provided by the string. d) circle motion requires a force to give it a centripetal acceleratio
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SAT, 30.06.2019 19:00
What causes a satellite to move tangentially to a circular path? air resistance friction inertia gravity
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SAT, 01.07.2019 00:00
One employee emphasizes the lack of staff as a main stressor affecting the workload. as the number of staff is limited, this represents a source of conflict in organizations.
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