# Question

A person opens a door by applying a 15-N force perpendicular to it at a distance 0.90 m from the hinges. The door is pushed wide open (to 120o) in 2.0 s.

(a) How much work was done?

(b) What was the average power delivered?

(a) How much work was done?

(b) What was the average power delivered?

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