Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Physics
A 1000kg elevator is carrying 10 people at a constant velocity over a distance of 30.0m. Assuming the average mass of a person is 60.0kg, how much is used by the elevator engine?
1 answer
(1000 + 600 )* 9.81 * 30 Joules assuming perfect 100% efficient engine.
You can
ask a new question
or
answer this question
.
Related Questions
An elevator motor provides 32kW of power while it lifts the elevator 24 m at a constant speed. If the elevator’s mass is 2200
A 69 kg person is standing on a bathroom scale (calibrated in Newtons) in the middle of an elevator. Determine the reading on
An 80 kg man stands in an elevator. What force does the floor of the elevator exert on the man if
a) the elevator is stationary?
The motor for an elevator can produce 2200 W of power. The elevator has a mass of 1100 kg complete with contents . At what
A courier is delivering a 5kg package to an office high in a tall building.
(a) What upwards force does the courier apply to the
1. An elevator weighing 15 kN starts from rest and acquires an upward velocity of 3 m/sec. in a distance of 6 m. If the
The graph shows an object’s distance traveled over a period of time. Which statement is true? (1 point) Responses The
The cable of an elevator of mass = 5320 kg snaps when the elevator is a rest at one of the floors of a skyscraper. At this point
An elevator in a tall building is allowed to reach a maximum speed of 3.3 m/s going down. What must the tension be in the cable
A 78-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of
