A rotating door is made from four rectangular sections

Assignment Help Physics
Reference no: EM13649216

A rotating door is made from four rectangular sections, asindicated in the drawing. The mass of each section is 80 kg. A person pushes on the outer edge of onesection with a force of F = 77 Nthat is directed perpendicular to the section. Determine themagnitude of the door's angular acceleration.

Reference no: EM13649216

Questions Cloud

Power line carrying sinusoidally varying current frequency : A power line carrying a sinusoidally varying current with frequency = 60 Hz and peak value I = 55 kA runs at a height of 7 m across a farmer's land. The farmer constructs a vertically oriented 2 m high 10 turn rectangular wire coil below the power..
What is strategic decision-making : What is strategic decision-making? Give three real world examples of several strategic decisions.
Assignment question : Assignment Question
What is the angle through which each wheel has rotated : An automobile, starting from rest, has a linear acceleration to theright whose magnitude is 0.800m/s2. During the next20.0s, the tires roll and do not slip. The radius of each wheel is 0.330m. At the end of this time, what is the angle through whi..
A rotating door is made from four rectangular sections : A rotating door is made from four rectangular sections, asindicated in the drawing. The mass of each section is 80 kg. A person pushes on the outer edge of onesection with a force of F = 77 Nthat is directed perpendicular to the section. Determine th..
What is fighter pilots apparent weight at the topof the loop : An 80kg fighter pilot flying anf-22 jet moving at 95 m/s makes the plane do a back flip keeping aconstant velocity. The radius of the flip was 200meters. What is the fighter pilots apparent weight at the topof the loop?
Diameter circular saw blade spins : A 22 cm diameter circular saw blade spins at 3200 rpm. How fast would you have to push a straight hand saw to have the teeth move through the wood at the same rate as the circular saw teeth?
A light spring has an unstretched length : A light spring has an unstretched length of 35.0 cm. If one end is attached to the top of a door frame and a 7.50 kg weight is hung from the other end, the length of the spring is 41.5 cm. What is its spring constant?
Half harmonic oscillator potential : Suppose we have a "half harmonic oscillator" potential, for example, exactly half of a parabolic potential on the right of the"center" and infinitely high potential barrier to the left of the center.

Reviews

Write a Review

Physics Questions & Answers

  Explain is the energy of the system increased

When a bow and arrow are cocked, a force is applied to the string to pull it back. Is the energy of the system increased? Explain

  Estimate the temperature increase of the room

If 100 physics students each give off 100 W as they sit in the classroom taking an exam, estimate the temperature increase of the room during the hour-long test

  What are a the angular frequency of oscillation b the

question a 2.1 kg body oscillates in shm on a spring that when extended 2.3 mm from its equilibrium position has an 10

  Compute the acceleration of the electron

The plates of a cathode ray tube are parallel and are 5 mm apart. What is the acceleration of the electron

  What is the temperature when the pressure is 0.0400 atm

The two blocks are on frictionless inclines and are in static equilibrium. The block on the left has a mass of 49 Kg, and the block on the right has a mass of n3 Kg. If the left incline has the length of n1 meters, and the right incline the length of..

  What is the greatest length of an organ pipe

The normal range of hearing is about 20 to 20000 Hz. Assume that your hearing range is 26 to 18500 Hz. (Use 340 m/s as the speed of sound.) What is the greatest length of an organ pipe that would have its fundamental note in your hearing range if i..

  Estimate the angular magnification

A stamp collector is viewing a stamp with a magnifying glass held next to her eye. Her near point is 25 cm from her eye. What is the angular magnification when the image of the stamp is 39 cm from the eye

  Estimate the vibrational frequency of the string

A guitar string produces 4 beats per second when sounded with a 350-Hz tuning fork and 9 beats per second when sounded with a 355-Hz tuning fork. What is the vibrational frequency of the string

  What frequency is heard by speeder

A state trooper chases a speeder along a straight stretch of road; both vehicles move at 136 km/h. The siren on the tropper's vehicle produces a sound of 490 Hz. What frequency is heard by speeder? (Take the speed of sound in air to be 343 m/s.)

  What is the minimum mass of water that must be used

Water at 20.0 °C is sprayed onto 0.236 kg of molten gold at 1063 °C (its melting point). What is the minimum mass of water that must be used

  A bicyclist is finishing his repair of a flat tire

A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.5 m/s . Two seconds later the bicyclist hops on his bike and accelerates at 2.4m/s2 until he catches his friend. How much timedoes it take until h..

  Write an expression for the absolute uncertainty

Suppose a formula for gain in heat energy of an object is H = m(A - B), where m = mass and (A - B) is its rise in temperature between A degrees and B degrees (as in #4). Write an expression for the absolute uncertainty, delta-H, in terms of m, del..

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