The speed stops as it hits the girls hand but speed reduces as it reaches her hand and increases at the beginning of the movement
When we need to calculate the resultant value of them.......
Answer:
Firstly, we can state that the net force is the sum of all forces acting upon the object. Since the object is stationary, by Newton's First Law we can conclude that the sum of all forces acting upon a stationary object is 0 because there are no forces acting upon the object.
Explanation:
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