eliankslulyasandaJ eliankslulyasandaJ

03-12-2016
Mathematics

contestada

The strength of a cable is proportional to the square of its diameter. If a 2-cm cable will support 800kg, how much will a 3-cm cable support?

Respuesta :

Underhill Underhill

03-12-2016

strength [is proportional to] d^2
strength1/(d1)^2 = strength2/(d2)^2
800kg/(2cm)^2 = strength2/(3cm)^2
strength2 = 800 kg * (3 cm)^2/(2 cm)^2
strength2 = 800 kg * 3^2/2^2
strength2 = 800 kg * 9/4
strength2 = 1800 kg

Answer Link

Otras preguntas

10 questions. 1.) Which battle of Germany's counter attack and last offensive of WWII which was in response to the invasion of Normandy. A.) battle of coral s

The World Cup is an international soccer tournament. There were about 15,470,000 viewers in the United States that watched it on television. Which shows the n

what are bundles of long, thin cells that make up muscles

Summarize the experiments of griffith and avery that indicates that dna is the genetic material

what is the soft maternal inside a bone

Which of the following would most practically be studied by use of a model? The global movement of ocean water. The veins of a leaf. The parts that mak

how many moles of oxygen are in 6.02 x 10 to the 24th power

!!!!Can you please help me with this problem PLZ

Batteries involve the flow of electricity from one metal to another. What happens to these metals to cause the batteries to, eventually, stop working?

5 facts form battle of bulge