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QUESTION 14 A chimney (length 18 m, mass 980 kg] cracks at the base and topples.  Assume:...

QUESTION 14

  1. A chimney (length 18 m, mass 980 kg] cracks at the base and topples.  Assume:

    - the chimney behaves like a thin rod, and does not break apart as it falls.

    - only gravity (no friction) acts on the chimney as it falls.

    - the bottom of the chimney pivots, but does not move.

    Find the linear speed of the very top of the chimney, in m/s, just as it hits the ground.  

QUESTION 15

  1. A 23 kg cart travels at constant speed, and its four wheels are rolling without slipping. The wheels are disks (radius 0.985 m, mass 4.07 kg), and they turn at constant ω = 14.6 rad/s. Find the total kinetic energy of the cart.

    NOTE: first, you must find the speed of the cart!

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Expert Solution

genius_generous answered 2 years ago
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