A 5 kilogram mass is lifted vertically through 4 meter by a
A 5 kilogram mass is lifted vertically through 4 meter by a cord with tension 80 Newton.
(a) Determine the work done by the cord,
(b) Determine the work done by gravity,
(c) Determine the final kinetic energy,
(d) Determine the final velocity?
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I completely agree with your thoughts on the need to set ground rules with parents to cultivate a supportive environment for children.
There are several chapters in your online textbook that might help you start this discussion, give you ideas and data, etc
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