Ask a New Question

Question

A crane whose motor has a power input of 5.0 kW lifts a 120-kg load of bricks through a height of 30m in 90s. what is the efficiency of the crane, which is the ratio between its output power and its input power.
18 years ago

Answers

Related Questions

The arm of a crane at a construction site is 13.1 m long, and it makes an angle of 20° with the hori... Crane A has 2.0 as much power as Crane B. If Crane B can do 9492 Joules of work in 12.492 minutes... A motor outputs power of 500 watts and is used to raise a 5kg mass vertically at constant speed. H... An electrical motor has a power rating of 500 W when it is lifting a mass of 80 kg through a height... Calculate the power of a crane in watts which lifts a man of 100kg to a height of 10m in 20sec Determine the power of a motor of a 1200 kg car that changes its speed from 10 m / s to 16 m / s in... A motor gives an output power of 200kilovolts and operates with efficiency of 80%,if the constant in... A crane having a boom of 50m is dying to lift a container of 9000kg the maximum lifting capacity of... What can the image of the cranes symbolize in the story?(1 point) Responses A) The cranes symbol...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use