Question: QUESTION 1 When a ball rises vertically to a height h and returns to its original point of projection, the work done by the gravitational

QUESTION 1
When a ball rises vertically to a height h and returns to its original point of projection, the work done by the gravitational force is
a.-2mgh.
b.-mgh.
c.0.
d.+2 mgh .
e.+mgh.
QUESTION 1 When a ball rises vertically to a

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