Calculate the rotational inertia of the entire door

Assignment Help Physics
Reference no: EM13516323

A revolving door consists of four rectangular glass slabs,with the long end of each attached to a pole that acts as the rotation axis. Each slab is 2.60 m tall by 1.40 m wide and has mass 35.5 kg.

A) Find the rotational inertia of the entire door.

B) If it's rotating at one revolution every 12.0 seconds, what's the door's kinetic energy?

Reference no: EM13516323

Questions Cloud

Find how much work was done to accelerate the blade : An electric trimmer blade has rotational inertia 1.85×10^-4 kg*m^2. How much work was done to accelerate the blade
Find the balls speed at the bottom of the ramp : A 1.15 m long ramp is inclined at 19 degrees to the horizontal. A solid ball is released from rest at the top of the ramp. Find the ball's speed at the bottom of the ramp
Explain what is the ph after 13.3 ml of base is added : A 25.0-mL sample of 0.150 M hydrazoic acid is titrated with a 0.150 M NaOH solution. What is the pH after 13.3 mL of base is added. The Ka of hydrazoic acid is 1.9 x 10^-5.
How much longer would it be seenon earth : The star Sirius is a distance of 8 light-years from the earth. If Sirius suddenly stopped shining, how much longer would it be seenon earth
Calculate the rotational inertia of the entire door : A revolving door consists of four rectangular glass slabs,with the long end of each attached to a pole that acts as the rotation axis. Find the rotational inertia of the entire door
Explain the acid-dissociation constants of sulfurous acid : The acid-dissociation constants of sulfurous acid (HeSO3) are K a1 =1.7 x 10^-2 and K a2 = 6.4 x 10^-8 at 25.0 °C. Calculate the pH of a 0.163 M aqueous solution of sulfurous acid.
Determine the maximum charge of the capacitor : A charged capacitor is connected to an inductor to form an LC circuit with a frequency of oscillation f = 1.6 Hz. What is the maximum charge of the capacitor
Evaluate the ph of the volumes of naoh : Calculate the pH after each of the following volumes of NaOH have been added: 0 mL, 10.00mL, 19.90mL, 20.00mL, 20.10mL
Find the maximum velocity the object has during its motion : An object of mass 6.8 Kg is attached to a spring of force constant 1830 N/m. find the maximum velocity the object has during its motion

Reviews

Write a Review

Physics Questions & Answers

  Estimate the force on a baseball

Estimate the force on a 145-gram baseball if it hits the bat at 50 miles per hour and stays in contact with the bat for 0.1 second

  Q1 an important news announcement is trans- mitted by radio

q1. an important news announcement is trans- mitted by radio waves to people who are 122 km away sitting next to their

  Find the position of the object

A virtual image is formed 22.0cm from a concave mirror having a radius of curvature of 44.0cm. find the position of the object

  Find the torque acting on the coil

A long piece of wire with a mass of 0.100 kg and total length of 4.00 m is used to make a suare coil with a side of 0.100 m. Find the torque acting on the coil due to the magnetic force at equilibrium

  Estimate the focal length of the lens

In order to heighten your enjoyment of your 29-carat blue diamond, you view it through a lens held close to your right eye, estimate the focal length of the lens

  Identify the magnitude of the magnetic field and the speed

The charge experiences a magnetic force of 7.41 10-3 N. A second charge q2 = 4.00 µC travels at an angle of 40.0° with respect to the same magnetic field and experiences a 1.80 10-3-N force. Identify the magnitude of the magnetic field and the ..

  What is the mass of planet z

Planet Z is 12,000 km in diameter. The acceleration due to gravity on Planet Z is 7.0 m/s2.

  How various kilograms of nitrogen are boiled

Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. A 60.0-W electric heating element is immersed in an insulated vessel containing 46.5 L of liquid nitrogen at its boiling point. How various kilograms of..

  How much work does the mat do to stop the fall

To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical mass is dropped onto the mat from a height of 1 m above the mat. How much work does the mat do to stop the fall of the cylinder

  Determine how high up the opposite wall the ball hits

A soccer player kicks a ball toward a wall 15.0 m away, with velocity 25.0 m/s at 30.0 above the horizontal. Determine how high up the opposite wall the ball hits, and nd the impact velocity

  What is the speed of the water leaving the nozzle

A 10 Newton effort force is required to lift a 10kg box just off the ground. What is the effort required to lift the box off the ground using a 3m long lever.

  Calculate the maximum distance up the ramp

A box of unknown mass begins at the base of a 30 degree ramp with an initial velocity of 10.0 m/s. calculate the maximum distance up the ramp which the box will reach

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd