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****Please answer ALL of the questions and ALL of the parts of the questions**** 1. A...

****Please answer ALL of the questions and ALL of the parts of the questions****

1. A 500 kg horse can provide a steady output power of 750 W (that is, 1 horsepower) when pulling a load; how about a 38 kg sled dog? Data shows that a 38 kg dog can pull a sled that requires a pulling force of 60 N at a steady 2.2 m/s. What is the specific power for the dog and the horse? What is the minimum number of dogs needed to provide the same power as one horse?

2. Describe a toy that you have seen. How does it work? What energy transformations and transfers take place when you use this toy?

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