physics one

fall 2007

homework six

Due Thursday 1 November, 2007.

Chapter 11:

  1. C11B.4-8
  2. C11S.5
  3. C11R.1

Chapter 12:

  1. C12B.4
  2. C12B.5
  3. A small motor is used to power a lift that raises a 50 kg crate of tofu to a height of 5 meters in 10 seconds. What is the minimum power that the motor must provide?

Chapter 13:

  1. C13B.2
  2. C13B.5

Chapter 14:

  1. C14S.2
  2. C14S.4
  3. C14S.5
  4. C14S.7 (skip part e)

Optional potentially challenging problems:

  1. C10R.1
  2. C11R.2
  3. Estimate how much it costs to heat a month's worth of hot water for your home use.
  4. C14R.2