Single cable supporting an unoccupied construction elevator

Reference no: EM13554041

The single cable supporting an unoccupied construction elevator breaks when the elevator is at rest at the top of a 175 m high building.

(a) With what speed does the elevator strike the ground?
(b) How long was it falling?
(c) What was its speed when it passed the halfway point on the waydown?
(d) How long had it been falling when it passed the half waypoint?

Reference no: EM13554041

Questions Cloud

How many machines must be turned off : A machine shop has 120 equally noisy machines that together produce an intensity level of 92 dB. If the intensity level must be reduced to 82 dB, how many machines must be turned off?

Find energy per second received by eardrum-threshold of pain : The radius of a typical human eardrum is about 4.0 mm. Find the energy per second received by an eardrum when it listens to sound that is at the threshold of hearing.

With what speed does the stone leave the slingshot : A slingshot consists of a light leather cup, containing astone, that is pulled back against two parallel rubber bands. Ittakes a force of 15 N to stretch either one of these bands 1.0cm.

Magnitude of the electric field at the center of rectangle : The magnitude of each of the charges in the figure below is 8.65 10-12 C. The lengths of the sides of the rectangles are 3.12 cm and 5.40 cm. Find the magnitude of the electric field at the center of the rectangle in the figures below

Single cable supporting an unoccupied construction elevator : The single cable supporting an unoccupied construction elevator breaks when the elevator is at rest at the top of a 175 m high building.

Spheres are hung from common point by nonconducting threads : Two 0.20-g metal spheres are hung from a common point by nonconducting threads which are 30 cm long. Both are given identical charges, and the electrostaticrepulsion forces them apart until the angle between the threads is 20 degrees. How much charge..

How far above the electron is the proton : An electron is held up against the force of gravity by theattraction of a fixed proton some distance above it. How far above the electron is the proton?

Kinetic coefficient of friction is larger than static : To push a piece of heavy furniture across the carpet usually takesmore force to get it moving than it takes to keep it moving, this is because:

Kinetic friction of metal object sliding along anothermetal : The kinetic friction of one metal object sliding along anothermetal surface depends lease upon:

User Account

All Pages