Julieg13
Julieg13 Julieg13
  • 04-03-2016
  • History
contestada

Why were there no cables for electricity in the early elevators

Respuesta :

krazykane52
krazykane52 krazykane52
  • 04-03-2016
Because older elevators were able to move because of a bunch of chains so they didn't know how to make it so that the cord wouldn't get cut also they didn't know how to make the cord extend and move with the elevator.
Answer Link
DoctorGaro
DoctorGaro DoctorGaro
  • 06-03-2016
because it was on an atomatic system not much electrical
Answer Link

Otras preguntas

Among two supplementary angles the measure of the larger angle is 44 more than the measure of the smaller. Find their measures. Please reply soon The one who r
URGENT!!! Which of the following is equivalent to the polynomial below?[tex]x^{2} -10x+61[/tex]A. (x-(5-6i))(x-(5+6i))B. (x+(5-6i))(x+(5+6i))C. (x+(5-6i))(x+(
What were the effects of the Transportation Revolution
9 is 0.32% of what number?​
The mass of a proton at rest is 1.67 10 2kg . Calculate the value of e/m for a proton.
Which factors led to the end of the British Raj?
In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm about the elbow. If the angular velocity of the ball about the
Solve -2/3 x > 8 or -2/3x <4
What is the solution to the equation x + 9.5 = 27.5? x = 2.9 x = 18 x = 20 x = 37
A white tailed deer can sprint at speeds up to 30 miles per hour. American bison can run at speeds up to 3,520 feet per minute. Which animal is faster and by ho