Chapter 11

1. C11B.4-8
2. C11S.5
3. C11S.10

Chapter C12

1. C12B.4
2. C12B.5
3. You need a motor that can lift a 50 kg box up 2 meters in 30 seconds. What is the minimum power that the motor must be capable of delivering to complete this task?
4. A 2 foot long segment of pipe in your basement freezes. The pipe has a diameter of 1 cm. You plan to thaw the pipe with a hairdryer. Estimate the minimum amount of time this will take. Estimate how much this will cost.
5. Which costs more, making toast or taking a shower? State your assumptions clearly.

Chapter C13

1. C13B.2
2. C13B.5

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