physics

posted by .

You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 18-m-tall building and land on the ground safely at a final vertical speed of 5 m/s. At the edge of the building's roof, there is a 100-kg drum that is wound with a sufficiently long rope (of negligible mass), has a radius of 0.4 m, and is free to rotate about its cylindrical axis with a moment of inertia I0.The script calls for the 69-kg stuntman to tie the rope around his waist and walk off the roof.

(a) Determine an expression for the stuntman's linear acceleration in terms of his mass m, the drum's radius r, and moment of inertia I0.(Use any variable or symbol stated above along with the following as necessary: g.)
a =

(b) Determine the required value of the stuntman's acceleration if he is to land safely at a speed of 5 m/s.


Use this value to calculate the moment of inertia of the drum about its axis.


(c) What is the angular acceleration of the drum?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    In an action-adventure movie, the hero lifts the 89-kg villain straight upward through a distance of 2.0 m in 0.47 s at a constant speed. What power does the hero produce while doing this?
  2. physics

    You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 18-m-tall building and land on the ground safely at a final vertical speed of 5 m/s. At the edge of the building's roof, …
  3. physics

    ou are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 18-m-tall building and land on the ground safely at a final vertical speed of 5 m/s. At the edge of the building's roof, …
  4. physics

    In a scene in an action movie a person is being chased across a roof top. To escape, the person runs off the edge of the building and falls to the roof of a nearby shorter building. The tall building is 50m high, the short building …
  5. physics

    In an action movie the lead character must jump off a balcony at an angle of 20 degrees, 10 meters above the ground and land in a window 3 meters away and 8.5 metters abover the ground. What should the velocity be in order to make …
  6. Physics

    In an action movie the lead character must jump off a balcony at an angle of 20 degrees, 10 meters above the ground and land in a window 3 meters away and 8.5 metters abover the ground. What should the velocity be in order to make …
  7. Physics

    You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 25.1-m tall building and land on the ground safely at a final vertical speed of 3.81 m/s. At the edge of the building's …
  8. Physics

    This is very confusing to me, I tried a couple of the problems and got them wrong. I would really appreciate the help, and an explanation to study for the exam. Thank you in advance. You are the technical consultant for an action-adventure …
  9. physics

    As a movie stunt coordinator, you need to be sure a stunt will be safe before it is performed. If a stunt- woman is to run horizontally off the roof of a three-story building and land on a foam pad 7.35 m away from the base of the …
  10. Physics

    A ball is thrown horizontally from the building roof at a speed of 20 m/s. Takes ball 4 seconds to reach the ground. How tall is building?

More Similar Questions