### What is the work completed by the force you exert on the bag

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Q1. A 36.0 g bullet moving at 478 m/s strikes a 3.7 kg bag of flour that is on ice, at rest. The bullet passes during the bag, leaving at 255 m/s. How fast is the bag moving when the bullet exits?

Q2. Suppose you carry a bag of groceries weighing 112 N from your car to your kitchen, a distance of 49 m, without raising or lowering the bag.

What is the work completed by the force you exert on the bag?

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