What is the angular acceleration of the drum

Reference no: EM13335539

You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 24.9-m tall building and land on the ground safely at a final vertical speed of 3.87 m/s. At the edge of the building's roof, there is a 109-kg drum that is wound with a sufficiently long rope (of negligible mass), has a radius of 0.409 m, and is free to rotate about its cylindrical axis with a moment of inertia I0. The script calls for the 52.5-kg stuntman to tie the rope around his waist and walk off the roof.

a) Determine the required value of the stuntman's acceleration if he is to land safely at a speed of 3.87 m/s, and use this value to calculate the moment of inertia of the drum about its axis.

b) What is the angular acceleration of the drum?

c) How many revolutions does the drum make during the fall?

Reference no: EM13335539

Questions Cloud

Calculate the group depreciation rate and group life : Highsmith Rental Company purchased an apartment building early in 2013. There are 20 apartments in the building and each is furnished with major kitchen appliances.

Find the maximum speed at which the car can negotiate turn : A 1,216-kg car drives through a turn with radius 42 m. The coefficient of static friction is 0.9 and the coefficient of kinetic friction is 0.52. find the maximum speed (constant) at which the car can negotiate the turn

Margaret owned an antique store that specialised in rare : Margaret owned an antique store that specialised in rare porcelain dolls. When sheopened the business in 1989, it was at a shop in an eastern suburb of Melbourne.

Find amount of goodwill impairment loss should recognize : Assume that Centerpoint's fair value of $378 million approximates fair value less costs to sell and that the present value of Centerpoint's estimated future cash flows is $383 million.

What is the angular acceleration of the drum : You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 24.9-m tall building and land on the ground safely at a final vertical speed of 3.87 m/s. What is the angular acceleration of the drum

Determine the kinetic energy of the golf ball : A golf ball with mass 45.90 g and diameter 42.60 mm is struck such that it is moving with a speed of 51.93 m/s, What is the kinetic energy of the golf ball

Compare and contrast issues the board : Compare and contrast issues the board may consider at a teaching hospital compared to a community hospital

What is the frictional torque exerted on the grindstone : A firm wants to determine the amount of frictional torque in their current line of grindstones, so they can redesign them to be more energy efficient. What is the frictional torque exerted on the grindstone

Find the amount of the new payment in the re-fi loan : A $250,000 mortage is taking out on a 20 year fixed rate term. The fixed rate of the loan is a nominal annual rate of i compounded monthly. Level payments of 1986.56 are made at the end of each month.

User Account

All Pages