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 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

At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a steady rate of 2 degrees Celsius per hour. What is the temperatu
HELP HELP HELP JJIJIIJ
The figure shows a square and 4 congruent isosceles triangles. If the length of leg x is 12 feet, what is the length in feet of the hypotenuse of each triangle?
which value of x satisfies the equation below? 4x-7+25
7x-1=6x-1 find the value of x
Find the sum of the arithmetic sequence. -4,-1,2,5,8,11,14
The questions is based on the book “ the giver”
Eating candy everyday places a person at risk of contradicting diabetes. Jackie eats a bag of candy every day. Therefore
I'm struggling with this Spanish work. Can somebody back me up? If you could that will be very appreciated! <3
What coefficient should go in front of the hydrogen peroxide (H2O2 ) molecule to make the chemical equation balanced? ___ H2O2 ➞ 2 H2O + O2