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# In a shipping company distribution center, an open cart of

ISBN: 9780321973610 228

## Solution for problem 8.87 Chapter 8

University Physics with Modern Physics (1) | 14th Edition

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University Physics with Modern Physics (1) | 14th Edition

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Problem 8.87

In a shipping company distribution center, an open cart of mass 50.0 kg is rolling to the left at a speed of 5.00 m>s (Fig. P8.87). Ignore friction between the cart and the floor. A 15.0-kg package slides down a chute that is inclined at 37 from the horizontal and leaves the end of the chute with a speed of 3.00 m>s. The package lands in the cart and they roll together. If the lower end of the chute is a vertical distance of 4.00 m above the bottom of the cart, what are (a) the speed of the package just before it lands in the cart and (b) the final speed of the cart?

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 Two systems in contact o Microstates multiply, entropies add  We know that energy is what makes things happen  Lowering energy can drive processes o Spontaneity when Q is out (Q < 0)  Increasing energy can drive things o Spontaneity when entropy increases (change in S > 0)  Spontaneity is the balance of these two factors  Usually significantly...

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