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A brass ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s. One second later, the ball has an instantaneous velocity in the upward direction of 15.0 m/s.
-What is the magnitude of the acceleration due to gravity on the surface of this planet?
Master Teacher
An educator recognized for their high level of skill, experience, and dedication in the teaching profession, often serving as mentors to less experienced teachers.
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To promote, support, or advocate for a certain behavior, action, or development through positive reinforcement or motivation.
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The mechanism by which information gets into memory.
Attention
Concentrating and focusing mental resources.
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