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hope someone can help me on this question:

A 3.0L (3.0kg) bottle of water is thrown vertically upward with a force of 55N. How high will it go if the force is applied for a distance of 80cm starting from rest?

This answer given is 69cm

I know that the acceleration of the bottle while the upward force is applied is 8.5m/s^2, and the applied force is 55N, and drew an FBD

Other than that, i don't know where to start to carry out this question!

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# Homework Help: Dynamics Question

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